to be digested
to master (a skill); to be proficient; to be accomplished; to be well developed
to mature (e.g. personality); to mellow
to mature (foodstuff); to be properly aged
「熟れる」 has other readings with different meanings.
to ripen (fruit, grain, etc.); to become ripe
to mature (esp. by fermentation); to ripen (e.g. wine, cheese); to be properly …
to be overripe