verb (v)

• show to be reasonable or provide adequate ground for(verb.communication)

  Synonym:
  warrant
  

  source: wordnet30
• show to be right by providing justification or proof(verb.communication)

  Synonym:
  vindicate
  

  source: wordnet30
• defend, explain, clear away, or make excuses for by reasoning(verb.communication)

  Synonym:
  apologise, apologize, excuse, rationalise, rationalize
  

  source: wordnet30
• let off the hook(verb.communication)

  Synonym:
  absolve, free
  Antonym:
  blame, fault
  

  source: wordnet30
• adjust the spaces between words(verb.change)

  Example:
  Justify the margins.
  

  source: wordnet30
• To prove or show to be just; to vindicate; to maintain or defend as conformable to law, right, justice, propriety, or duty.(verb)

  source: webster1913
• To form an even surface or true line with something else; to fit exactly.(verb)

  source: webster1913
• To show (a person) to have had a sufficient legal reason for an act that has been made the subject of a charge or accusation.(verb)

  source: webster1913