(a.) Yielding reward.

adversative adverse adversive amendatory antagonistic anti antipathetic antithetic antonymous at cross-purposes balancing clashing compensative compensatory conflicting confronting contradictory contradistinct contrapositive contrarious contrary contrasted converse counter counteracting counteractive counterbalancing counterpoised countervailing dead against discordant discrepant expiatory eyeball to eyeball hostile inconsistent indemnificatory inimical inverse lucrative moneymaking obverse offsetting opposed opposing opposite oppositional oppositive oppugnant paying penitential perverse profitable recompensive rectifying remunerative reparative repaying repugnant retaliatory retributive retributory reverse rewardful rewarding satisfying squared off