/,dʒʌstɪfɪ'keɪʃn; ,dʒʌstəfə`keʃən/
n
1 [U, C] ~ (for sth/doing sth) acceptable reason (for doing sth) （做某事的）正当理由
*I can see no justification for dividing the company into smaller units. 我认为没有理由把公司划分成小单位.
* He was getting angry and with some justification. 他生气了--事出有因. =>Usage at reason1 用法见reason1.
2 [U] arrangement of lines of type so that the margins are even. 齐行, 整版（为使版面四周空白均匀而对铅字等位置的调整）.
3 (idm 习语) in justification (for/of sb/sth) as a defence (of sb/sth) 作为对（某人[某事]的）辩解
*I suppose that, in justification, he could always claim he had a family to support. 我想他反正会以养家为理由来进行辩解.

n [U and C]
a good and acceptable reason for doing something
justification for (doing) sth
　There is no justification for holding her in jail.
　Hoggart felt, with some justification , that his colleagues had let him down.
in justification (of sb/sth)
in order to explain why an idea or action is right
　He made a speech in justification of his actions.