Sport

Any activity that uses physical exertion or skills competitively under a set of rules that is not based on aesthetics.

Something done for fun, regardless of its design or intended purpose.

"Joe was banned from getting legal help. He seemed to view lawsuits as a sport."

A person who exhibits either good or bad sportsmanship.

"Jen may have won, but she was sure a poor sport; she laughed at the loser."

Somebody who behaves or reacts in an admirably good-natured manner, e.g. to being teased or to losing a game; a good sport.

"You're such a sport! You never get upset when we tease you."

To amuse oneself, to play.

"children sporting on the green"

To mock or tease, treat lightly, toy with.

"Jen sports with Bill's emotions."

To display; to have as a notable feature.

"Jen's sporting a new pair of shoes;  he was sporting a new wound from the combat"

To divert; to amuse; to make merry.