TACT

n. diplomacy, ability to skillfully deal with people, finesse; sense of what is proper or appropriate, taste

Tact is a careful consideration of one's current situation and surroundings, and acting accordingly.For example, with respect to interpersonal relationships, tact is a careful consideration of the feelings and values of another so as to create harmonious relationships with a reduced potential for conflict or offense.Tact in a military sense is the basis for tactics. An element is said to be tactical when their actions are in accordance with the military situation (presence or lack of enemy, illumination, inclement weather, etc).
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Noun
1. consideration in dealing with others and avoiding giving offence
(synonym) tactfulness
(hypernym) consideration, considerateness, thoughtfulness
(hyponym) delicacy, diplomacy, discreetness, finesse

n. tact, diplomacy, finesse

n. tact, discretion