being slick with it

being a good sport/they’re a good sport

Fairness, honesty, sincerity, virtue, forthrightness, gamesmanship, goodness, honor, honorableness, righteousness, good sport, rectitude, uprightness, decency, trustworthiness, character, virtuousness, veracity, reputability, upstandingness, reliability, integrity, honestness, candor

You could say that conduct is “sporting” or “not sporting” but then you might sound br*tish

Conduct (un)becoming of an athlete

sportsdwarfship

gosu