English Reference
noun

justification

n.
US /ˌdʒəstəfəˈkeɪʃən/ UK /dʒˌʌstɪfɪkˈeɪʃən/ jus·ti·fi·ca·tion UK spelling justifications

  1. 01 B2 Upper Intermediate

    a good reason or explanation that shows why something is right or fair.

    a reason, explanation, or excuse that provides convincing or morally acceptable support for a belief or action.

    Simple

    There is no justification for treating people so unkindly.

    In context

    The board requested a detailed justification for the sudden increase in the project budget before they would approve further funding.

    Usage

    Often followed by the preposition 'for' or an infinitive 'to'.

  2. 02 C1 Advanced Technical Computing

    the way lines of text are lined up on the left, right, or both sides of a page.

    the adjustment of spacing between words or characters so that text is aligned to one or both margins.

    Simple

    The document looks more professional with full justification on both sides.

    In context

    The designer argued that left justification improves readability on mobile screens compared to forced full justification.

    Usage

    Commonly used with 'left', 'right', or 'full'.

  3. 03 C2 Proficiency FormalTechnical Religion

    the act of being made right with God or having sins forgiven.

    the action of declaring or making a person righteous in the sight of God.

    Simple

    The priest spoke about the justification of the soul through faith.

    In context

    The central debate of the Reformation concerned the nature of justification and whether it was achieved through faith alone or through good works.

    Usage

    Usually uncountable in this theological context.

    Teacher's tip

    This is a highly specialised term in Christian theology; most learners will only encounter it in academic or religious texts.

Usage justification for · provide justification

Academic colleagues have demanded, with justification, that an investigation into his appointment to the faculty of education in 2023, and the subsequent fallout, should include people from outside the university.

The Guardian· 7 Aug 2026

But employment lawyer Sarah Tahamtani says dress codes should be "reasonable, proportionate and capable of justification".

BBC News· 6 Aug 2026

From Middle English justificacioun, justification, from Middle French justification, from Late Latin iustificationem, justificationem < iustificatio, from iustifico, from Latin iustus.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

This entry
Origin Latin iustus
Level C1 · Advanced
Frequency Frequent
Updated