Definition: the act of defending or explaining or making excuses for by reasoning
Usage: the justification of barbarous means by holy ends- H.J.Muller
Definition: the act of vindicating or defending against criticism or censure etc.
Usage: friends provided a vindication of his position
Definition: something (such as a fact or circumstance) that shows an action to be reasonable or necessary
Usage: he considered misrule a justification for revolution
Definition: information that should be kept in mind when making a decision
Usage: another consideration is the time it would take
Definition: a statement in explanation of some action or belief
Definition: a statement that makes something comprehensible by describing the relevant structure or operation or circumstances etc.
Usage: the explanation was very simple; I expected a brief account