
Yes, and I think it's pretty
MATURE of me to admit it.
The Big Bang Theory Season 11, Episode 11

Adults in a MATURE relationship.
The Big Bang Theory Season 8, Episode 6

...now you're more MATURE.
The Big Bang Theory Season 8, Episode 20

I'll put that money into a CD,
wait for that CD to MATURE,
The Big Bang Theory Season 11, Episode 9

That's very MATURE of you.
The Big Bang Theory Season 9, Episode 13