soften, make mellow

rich  Shakepeare’s lines sound more beauti-ful when they are read in his lovely mellow

fully prepared or eager, at the highest point of development especially in judgment or knowledge, Advanced to the state of fitness for use; mellow, verb_ To ripen or mature, transitive verb_ obsolete To mature; to ripen, intransitive verb_ obsolete To ripen; to grow ripe, noun_ agriculture A fruit or vegetable which has ripened, A bank