[tact] n [F, sense of touch, fr. L tactus, fr. tangere to touch--more at tangent] (1797) 1: sensitive mental or aesthetic perception "converted the novel into a play with remarkable skill and ~"
2: a keen sense of what to do or say in order to maintain good relations with others or avoid offense syn tact, address, poise, savoir faire mean skill and grace in dealing with others. tact implies delicate and considerate perception of what is appropriate "questions showing a lack of tact". address stresses dexterity and grace in dealing with new and trying situations and may imply success in attaining one's ends "brought it off with remarkable address". poise may imply both tact and address but stresses self-possession and ease in meeting difficult situations "answered the accusations with unruffled poise". savoir faire is likely to stress worldly experience and a sure awareness of what is proper or expedient "the savoir faire of a seasoned traveler".