Antonyms for Offensive (opposite meaning)
WordNet sense 1 (intended or appropriate for defending against or deterring aggression or attack):
defensive
WordNet sense 2 (not causing anger or annoyance):
inoffensive
WordNet sense 3 (morally respectable or inoffensive):
savory, savoury
WordNet sense 4 (of an inoffensive substitute for offensive terminology):
euphemistic
From the ODE community, based on WordNet
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