Definition of "tact"

He had formed plans not inferior in grandeur and boldness to those of Richelieu, and had carried them into effect with a tact and wariness worthy of Mazarin.

1849–1861, Thomas Babington Macaulay, chapter 11, in The History of England from the Accession of James the Second, volumes (please specify |volume=I to V), London: Longman, Brown, Green, and Longmans

A tact which surpassed the tact of her sex as much as the tact of her sex surpassed the tact of ours.

1849–1861, Thomas Babington Macaulay, chapter 11, in The History of England from the Accession of James the Second, volumes (please specify |volume=I to V), London: Longman, Brown, Green, and Longmans

Did you suppose that I could not make myself sensible to tact as well as sight?

1829, Robert Southey, “(please specify the page)”, in Sir Thomas More: or, Colloquies on the Progress and Prospects of Society. […], volumes (please specify |volume=I or II), London: John Murray, […]

Now, sight is a very refined tact.

1881, Joseph LeConte, Sight: An Exposition on the Principles of Monocular and Binocular Vision

Skinner (1957) saw such tacts as responses that are reinforced socially.

2013, Jacob L. Gewirtz, William M. Kurtines, Jacob L. Lamb, Intersections With Attachment

Wanda "Hey, can you show us?"Karen "No"Brent "We promise not to make fun of you."Karen "No"Lacey "Okay, we promise TO make fun of you."Karen "I'm getting a drink"Lacey "I was trying a different tact."Wanda "Bad tack."

2006, “Block Party”, in Corner Gas