justification noun
ADJ. considerable, every, some You have every justification for feeling angry. | the slightest She had not given him the slightest justification for thinking she was interested in him. | ample, sufficient | ethical, moral | intellectual, rational, theoretical | legal, political
VERB + JUSTIFICATION give (sb), provide (sb with) She's unable to provide any justification for her actions. | see
PREP. in ~ the argument which he put forward in justification | with ~ He felt, with some justification, that he had been unfairly treated. | without ~ She was arrested entirely without justification. | ~ for I can see some justification for her remarks.
You can also check other dicts: justification (English, 中文解释 ), wordnet sense, Collins Definition