Justify
/ˈdʒʌstɪfaɪ/
verb
To provide an acceptable explanation for.
“How can you justify spending so much money on clothes?”
To be a good, acceptable reason for; warrant.
“Nothing can justify your rude behaviour last night.”
To arrange (text) on a page or a computer screen such that the left and right ends of all lines within paragraphs are aligned.
“The text will look better justified.”