mature; ripe · to mature; to ripen · Taiwan pr. chéngshóu

Ripe medlars come away easily from the tree.

Why didn't the half-cooked steak say hello to the nearly-cooked steak when the two saw each other? They both weren't ready.

You are old enough to know better.

Tom is younger than he looks.

In this country, we rise or fall as one nation, as one people. Let's resist the temptation to fall back on the same partisanship and pettiness and immaturity that has poisoned our politics for so long.