adjective

having or showing a mild, kind, or tender temperament or character.

a gentle, sensitive man

kind,kindly,tender,benign,humane,lenient,merciful,forgiving,forbearing,sympathetic,considerate,understanding,clement,compassionate,benevolent,kind-hearted,tender-hearted,good-natured,sweet-tempered,loving,mild,soft,quiet,shy,demure,modest,humble,retiring,unassuming,still,tranquil,peaceful,peaceable,pacific,placid,serene,reposeful,reverent,meek,docile,lamblike,dove-like

verb

make or become gentle.

Cobb’s tone gentled a little