Of a fact, circumstance, etc. transitive. To give good grounds for (an action or behaviour); to justify.

transitive. Of a state of things, circumstance, etc.: to be evidence or argument for the righteousness, justness, or innocence of (a person or…

Of things: To furnish good and sufficient grounds for (a course of action); to render allowable, justify.

Of things. To serve as an excuse for; to justify. Obsolete. rare.