Excusable

(a.) Justifiable; forgivable; permissible; pardonable; as, an excusable action.

Thesaurus Entries

admissible, allowable, condonable, defensible, dispensable, exemptible, expiable, forgivable, inoffensive, justifiable, legitimate, pardonable, reasonable, remissible, tenable, unobjectionable, venial, vindicable, warrantable