12 Other Ways to Say “As You Know”

Are you looking for a way to write “as you know” to show you’ve already discussed something with someone? Well, it would help to know some alternatives that sound polite.

This article will explore the best options for another way to say “as you know.” That way, you’ll have more confidence in your choice as you write.

Other Ways to Say “As You Know”

  • As we already discussed
  • Since you already know
  • As you may be aware
  • As you may already know
  • I assume you already know
  • As we discussed
  • Since our conversation
  • From our conversation
  • As I’m certain you’ve been told
  • As discussed
  • Do you know?
  • As mentioned


  • “As you know” is formal and correct, but it’s not always the most polite option.
  • You can use “as we already discussed” as a more professional alternative.
  • “Since you already know” is great to use informally.

There are plenty of great synonyms. It’s up to you to determine which works best, but we’ll still help with that decision! Keep reading to learn more about the most useful phrases in different contexts.

Also, you can skip to the final section if you want to learn whether “as you know” is rude. If you came here to find out whether it’s polite enough for formal contexts, the last section is for you!

As We Already Discussed (Formal)

“As we already discussed” is a great formal synonym for “as you know.” It shows you have discussed something prior to your current message. This implies the recipient should know what you’re referring to.

Generally, you’ll cover important topics when saying “as we already discussed.” When emailing employees who need updates or new tasks to work on, it’s great to use.

It’s a very professional phrase, making it excellent in most business situations. You don’t just have to include it in emails. Even formal letters benefit from using a phrase like “as we already discussed” (as long as you have discussed something before).

You can use “as we already discussed” instead of “as you know” formally. Both phrases are appropriate, meaning you can use either one to mix up your language when writing to employees or peers.

Check out these email and letter examples to see how you might use “as we already discussed”:

Dear Jacob,

As we already discussed, it’s important for us to keep this to ourselves for now.

Kind regards,

Dear Mr. Jenkins,

I’m writing this letter to remind you of the plans, as we already discussed.

I will arrive at three on Monday and would like to see you there.

Best wishes,

Since You Already Know (Informal)

“Since you already know” is great for an informal synonym. It assumes that someone already knows some information, even if you weren’t the one that told them about it.

This phrase is more conversational because it implies that you didn’t let someone know something important. It can sound a bit dismissive or blunt if you’re not careful, so use it wisely.

We recommend using a phrase like this when discussing problems with friends. It lets them know you’re already aware of their knowledge and want to continue a discussion without too much waffle.

Unfortunately, it’s not all that useful formally. You should stick to using “as you know” when writing formal emails or letters to convey a more professional tone.

Perhaps these examples will help you understand more about it:

Since you already know, I believe it’s time for us to work on some of these problems in private.

Well, since you already know, do you have any ideas that might help us? I’d like to pick your brain.

Is It Rude to Say “As You Know”?

“As you know” is not rude, but it is presumptuous. You can use it when discussing matters that someone is already aware of.

However, there are more polite alternatives available. You don’t have to presume that someone already knows some information. Sometimes, it’s more respectful to remind them of something rather than saying “as you know.”

You can also use these variations:

  • As you already know
  • As you may know

While it’s not always the most polite option, it’s still very popular in formal writing. You can use it in emails when discussing something you’ve already mentioned to the recipient.

Feel free to bookmark this page if you ever need to remind yourself of the rules! You never know when they might come in handy again.