WordNet sense 1 (preoccupied with the pursuit of pleasure and especially games of chance):

dissipated, betting, card-playing

WordNet sense 2 (characterized by or given to yielding to the wishes of someone ):

indulgent

WordNet sense 3 (exhibiting or calling for sportsmanship or fair play):

clean, sportsmanlike, sporty

WordNet sense 4 (free from favoritism or self-interest or bias or deception; or conforming with established standards or rules):

fair, just

WordNet sense 5 (willing to undertake or seeking out new and daring enterprises):

adventuresome, adventurous