mellow

soften, make mellow; "Age and experience mellowed him over the years"

become more relaxed, easygoing, or genial; "With age, he mellowed"

make or grow (more) mellow; "These apples need to mellow a bit more"; "The sun mellowed the fruit"

unhurried and relaxed; "a mellow conversation"

having a full and pleasing flavor through proper aging; "a mellow port"; "mellowed fruit"

having attained to kindliness or gentleness through age and experience; "mellow wisdom"; "the peace of mellow age"

having attained to kindliness or gentleness through age and experience; "mellow wisdom"; "the peace of mellow age"

slightly and pleasantly intoxicated from alcohol or a drug (especially marijuana)

(obsolete) in a mellow manner