Noun vindication has 2 senses
  1. vindication, exoneration - the act of vindicating or defending against criticism or censure etc.; "friends provided a vindication of his position"
    --1 is a kind of clearing
    --1 has particulars: justification; rehabilitation
    Derived form: verb vindicate2
  2. defense, defence, vindication - the justification for some act or belief; "he offered a persuasive defense of the theory"
    --2 is a kind of justification
    --2 has particulars:
     apology, apologia; alibi; excuse, alibi, exculpation, self-justification
    Derived forms: verb vindicate2, verb vindicate1