Ripen

1.

(INTRANSITIVE) To grow ripe; to become mature, as grain, fruit, flowers, and the like; as, grapes ripen in the sun.

2.

(INTRANSITIVE) To approach or come to perfection.

3.

(TRANSITIVE) To cause to mature; to make ripe; as, the warm days ripened the corn.

4.

(TRANSITIVE) To mature; to fit or prepare; to bring to perfection; as, to ripen the judgment.