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

Since the State could not disprove the justification defense beyond a reasonable doubt, the evidence resulted in the decision that no criminal charges would be filed against the fast-food employees. — Desiree Anello, PEOPLE, 9 Aug. 2026

When it’s finally revealed that there are monstrous beings at work, there’s little justification of what their goals are. — Angelica Jade Bastién, Vulture, 7 Aug. 2026

An upbeat news report explains that rates of teen pregnancy are down, which is a very 1980s justification. — Katie Walsh, Los Angeles Times, 6 Aug. 2026

Nothing much has changed since that was the original justification for bumping up migration in the US under the 1965 Immigration and Nationality Act. — Rachel Marsden, Hartford Courant, 6 Aug. 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