justify

verb

1. 1

   adjust the spaces between words

   justify the margins

2. 2

   defend, explain, clear away, or make excuses for by reasoning

   rationalize the child's seemingly crazy behavior

   he rationalized his lack of success

3. 3

   show to be right by providing justification or proof

   vindicate a claim

4. 4

   show to be reasonable or provide adequate ground for

   The emergency does not warrant all of us buying guns

   The end justifies the means

5. 5

   let off the hook

   I absolve you from this responsibility