justified

Having a justification.

"The act was fully justified."

Of text, arranged on a page or a computer screen such that the left and right ends of all lines within paragraphs are aligned.

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."