simple past tense and past participle of age like a fine wine

(simile) Of a person, to age well; to look or become better as they become older.

Third-person singular simple present indicative form of age like a fine wine

(UK, Australia, New Zealand) present participle of age like a fine wine

(US, Canada) present participle of age like a fine wine

(idiomatic, usually imperative) Synonym of act one's age (“to behave in a mature manner; to avoid being childish”).