10 Better Ways to Say “Besides That” (Formal Synonyms)

Sometimes, it helps to add more information to formal writing. It allows your reader to get more of an idea of what you’re talking about. Words like “besides that” work well to include extra information, but there are some better alternatives, and this article will explore them.

Better Ways to Say Besides That

The preferred synonyms are “additionally,” “in addition,” and “as well as.” These work well in formal writing (and informal writing) to include further information you may not have covered. You will be able to express this information in a new sentence with these.


“Additionally” is the best way to replace “besides that.” It’s a good alternative because it shows that you’re adding information to your writing. There is always something extra to talk about when “additionally” is used.

If you’re not adding anything new, there is no reason to use “additionally.” After all, it means that something is added to the end of a previous statement.

  • Some things needed to be discussed. Additionally, it would have helped if more people had been on board with the changes.
  • I’m not going to tell you what to do next. Additionally, I think you should be the one to figure out the next move without any guidance.
  • We thought about the options. Additionally, we came up with a list of things that seem most plausible right now. Take a look.
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In Addition

“In addition” is an alternative to “additionally.” You can start a sentence with this in formal writing if you want to add more information to something you’ve already said.

Some people disagree with the use of “in addition.” They believe that the adverbial form “additionally” should always be used to remove the redundancy of the extra word that “in addition” has.

  • It could have happened to anyone. In addition, the rules have been established to ensure things like this don’t happen again.
  • In addition to what was said at the meeting, we’d like to welcome you all to the event being held on Monday night.
  • In addition to the new agenda, the boss would like to get to know you all more personally. You are all to have one-on-one meetings with her soon.

As Well As

“As well as” is one of the most common choices for an alternative to “besides that.” It allows you to include more information in the same way that “and” might be used as a conjunction.

Generally, you start a sentence with “as well as” or include it in the middle of an existing one. It’s not commonly seen as a conjunction like additionally (where a comma comes directly after it).

  • I can’t tell you much about this. As well as what I’ve been warned against, there are just too many moving parts here.
  • As well as all the issues in this place, some things need to be avoided. I will let you know more about them later.
  • I’m not sure how this can be handled. As well as the problems we’ve raised, countless others are overlooked.

On Top Of That

“On top of that” is a useful synonym in many cases. It shows that you’re adding more information to help the reader understand something. “On top of” implies that you’re adding it “onto” whatever has been discussed.

You should be able to use this one in slightly more informal writing. It still works formally, but most people prefer the conversational tone that comes with it for informal writing.

  • These are only a few of the errors I found. On top of that, I backlogged most of his work and noticed errors in almost every project.
  • There were a few issues to note. On top of that, someone seemed to have found them before me but hid them from the records.
  • You could have told me about this. On top of that, it would have helped if I knew what was going on around my office.


“Moreover” is another great way to show that there is some information to discuss. If you want to add “more” “over” what you’ve already talked about, this is the phrase to use.

“Moreover” is a fairly common choice in formal writing. Some people think it’s a little overused for that reason, but there’s no reason why you shouldn’t be allowed to use it.

  • Can we get a debrief on this? Moreover, would we be able to talk to someone about what the next stages are supposed to be?
  • I’m not going to sit here and take this. Moreover, I think it’s in everyone’s best interest to leave before it gets messy.
  • You could have mentioned something like that. Moreover, it seems like you were deliberately trying to avoid any confrontations.


“Furthermore” is a great way to include more information. It shows that you’re trying to “further” someone’s understanding of the content of your writing. If you have more to add, you can use “furthermore” in most cases.

Some people think “furthermore” is a bit overused and pretentious. Some teachers might say that you should avoid words like this because of how common they are and how they sound.

If you like “furthermore,” you should use it. It’s mainly a stylistic choice that determines whether it works in your writing.

  • There could have been a few more of us. Furthermore, there would have been even more, but you shut down any of their chances.
  • I could have helped you out. Furthermore, I was willing to create a spreadsheet to explain why you were losing so much profit.
  • We cannot continue working with this company. Furthermore, it would be wise for you to cut ties with them.

What’s More

“What’s more” is a great alternative you can use. It shows that you’re adding “more” to the situation, and it makes for an interesting inclusion in most sentences.

The only reason why this one might not work as well as some of the others is that it comes with a more informal tone. You can still use it in formal writing, but you need to be wary of the tone that is conveyed when used in this way.

  • It’s in everyone’s best interest to move away from this situation. What’s more, it would make sense for everyone to calm down too.
  • I think I’ve got it handled. What’s more, there are a few ways around these problems. I can sort this out.
  • The experiment was a complete success. What’s more, it seems to have yielded greater results than originally expected.


“Likewise” is a great synonym to show that you have some information to add or compare. You can use it at the start of a new sentence to try and introduce information that might add to or modify the previous thing you stated.

“Likewise” works best when the added information goes hand in hand with what you’ve already discussed. If you would like to talk more about that information, “likewise” will help you.

  • I’m not sure about this. Likewise, neither is he. He doesn’t think you’re the right man for the job, so he doesn’t want to trust you.
  • Likewise, I will do what it takes to ensure things go smoothly. Can you handle that? I will tell you all about it.
  • I’m not going to stop. Likewise, neither should you. I don’t think it’s fair for us not to commit to his issue.

Not To Mention

“Not to mention” is always a good choice to spice up formal writing. You don’t want to fall into the mundane trap of using the same words to add information over and over again, and “not to mention” is a great way to break that cycle.

It’s fairly conversational, though. You need to be cautious of that, as some people would consider it much less formal than some of the other options we’ve presented.

  • It could have gone either way. Not to mention, we missed plenty of variables while we were running through the problems.
  • I told you all about this yesterday. Not to mention, it was raised to you a few weeks ago and recorded in your diary.
  • There weren’t many other things to say. Not to mention, you wouldn’t have listened to us even if we decided to say them.

For Good Measure

“For good measure” shows that information is added for a particular reason. If you think some information could be added to help people understand the reason behind something, “for good measure” should work well.

It works really well because it shows that you’re considering the “measures” involved in something. If you think you need to explain more information to show that different aspects are covered, use this phrase.

  • I have a few things to say. For good measure, I would like to say them in front of the board of directors. It makes the most sense.
  • We have set up funding for good measure to ensure this goes smoothly. If you have a problem with that, let me know now.
  • For good measure, you should see yourself out. We’ll not be able to do much to look after you from now on.