ripen

verbs

cause to ripen or develop fully
"The sun ripens the fruit"; "Age matures a good wine"
mature, ripen
is derived from
ripening
grow ripe
"The plums ripen in July"
ripen
is derived from
ripening
is a type of (narrower)
develop and reach maturity; undergo maturation
"He matured fast"; "The child grew fast"
grow, maturate, mature