Synonyms and related words :
admissible, allowable, condonable, defensible, dispensable, excusable, exemptible, expiable, forgivable, harmless, inoffensive, insignificant, justifiable, legitimate, minor, pardonable, petty, reasonable, remissible, tolerable, tolerated, trifling, trivial, unimportant, unobjectionable, vindicable, warrantable