Noah Webster's Dictionary 1. (p. pr. & vb. n.) of Sport. 2. (a.) of pertaining to, or engaging in, sport or sports; exhibiting the character or conduct of one who, or that which, sports.

Multi-Version Concordance Sporting (1 Occurrence) Genesis 26:8 And it came to pass, when he had been there a long time, that Abimelech king of the Philistines looked out at a window, and saw, and, behold, Isaac was sporting with Rebekah his wife. (KJV JPS ASV WBS)