tacit - ADJ understood without being openly expressed; implied: tacit approval. silent; saying nothing: a tacit partner Implied by or inferred from actions or statements: Management has given its tacit approval to the plan .

taciturn -

tactile - of or relating to or proceeding from the sense of touch; "haptic data"; "a tactile reflex

tact -N a keen sense of what to say or do to avoid giving offense; skill in dealing with difficult or delicate situations. He showed tact in dealing with difficult customers .

tactful -ADj having or manifesting tact: a tactful person; a tactful reply. : a tactful person; tactful behaviour

taint - place under suspicion or cast doubt upon; "sully someone's reputation "

talisman -N an object which is supposed to have magic powers to protect its owner; a charm He had a rabbit's foot which he wore round his neck as a talisman .