
All right. Let's ASSUME ad arguendum,
that in this case Leonard is wrong.
The Big Bang Theory Season 3, Episode 7

I ASSUME you mean
metaphorically.
The Big Bang Theory Season 12, Episode 9

I think we can ASSUME that no one is willing...
Game of Thrones Season 1, Episode 6

Forget about money.
Assume you have all you want.
Breaking Bad Season 3, Episode 9

...doesn't mean I should just ASSUME
Leonard and Sheldon are.
The Big Bang Theory Season 1, Episode 2