compatible, sympathetic - having similar disposition and tastes; "a compatible married couple"; "with their many similar tastes, he found her a most sympathetic companion" Antonyms:uncongenial, incompatible (indirect, via congenial)
charitable, kindly, sympathetic, large-hearted - showing or motivated by sympathy and understanding and generosity; "was charitable in his opinions of others"; "kindly criticism"; "a kindly act"; "sympathetic words"; "a large-hearted mentor" Antonym:unkind (indirect, via kind)
harmonic, sympathetic - relating to vibrations that occur as a result of vibrations in a nearby body; "sympathetic vibration" Antonyms:inharmonious, unharmonious (indirect, via harmonious)