justification

noun

jus·​ti·​fi·​ca·​tion ˌjə-stə-fə-ˈkā-shən 

1

a

: the act or an instance of justifying something : vindication

arguments offered in justification of their choice

b

: an acceptable reason for doing something : something that justifies an act or way of behaving

could provide no justification for his decision

2

: the act, process, or state of being justified by God (see justify sense 2a)

3

: the process or result of justifying lines of text (see justify sense 3a)

software that provides automatic justification of text

Synonyms of justification

• excuse
• reason

Examples of justification in a Sentence

He tried to present a justification for his behavior.

There is no possible justification for what she did.

His behavior is without justification.

Recent Examples on the Web

This is the justification for the administration’s desire to deport criminals, persons who have truly harmed others by breaking laws. —Scott Santarosa, San Diego Union-Tribune, 23 Jan. 2026

Miller presented the numerous challenges people face when purchasing a home in the country today as justification for her bill in a press release on Wednesday. —Washington Examiner Staff, The Washington Examiner, 22 Jan. 2026

This is a clear and tangible justification for transferring. —Christopher Rim, Forbes.com, 22 Jan. 2026

The lack of active arbitration, the judge explained, is a justification for a court to intervene by issuing a TRO. —Michael McCann, Sportico.com, 22 Jan. 2026

Word History

First Known Use

14th century, in the meaning defined at sense 2

Phrases Containing justification

• in justification of
• self-justification
• with some justification

Rhymes for justification

• abbreviation
• abomination
• acceleration
• accentuation
• accommodation
• accreditation
• acculturation
• accumulation
• acetylation
• adjudication
• administration
• adulteration

Kids Definition

justification

noun

jus·​ti·​fi·​ca·​tion ˌjəs-tə-fə-ˈkā-shən 

1

: the act or an instance of justifying or of being justified

2

: something that justifies : defense

Legal Definition

justification

noun

jus·​ti·​fi·​ca·​tion ˌjəs-tə-fə-ˈkā-shən 

1

: the act or an instance of justifying

2

: something that justifies

specifically : a legally sufficient reason or cause (as self-defense) for an act that would otherwise be criminal or tortious

3

: the affirmative defense of having a legally sufficient justification compare excuse