legitimatise

Grant formal approval

To legitimatise is the British spelling of legitimatize—to make something legitimate or lawful.

Governments legitimatise their authority through elections.

A signature legitimatises a contract.

The word often carries skeptical overtones, suggesting an attempt to make something questionable appear acceptable: The ceremony was meant to legitimatise the regime.

official

ratify

Formally confirm agreement

inaugurate · charter · decree · proclaim · ordain · mandate · constitute · enshrine · institutionalize · recognize

validate

authenticate

Confirm as genuine

substantiate · corroborate · attest · notarize · document · evidence · proof · credentials · witness · accredit

endorse

approve

Formally accept or authorize

back · support · uphold · endorse · warrant · license · empower · permit · allow · condone

legal

decriminalize

Abolish penalties for

statutory · constitutional · permissible · licit · regulate · juridical · permitted · allowable · compliant · decriminalization

justify

vindicate

Clear of wrongdoing

grounds · excuse · explain · normalize · mainstream · credibility · acceptability · respectability · validity · plausibility

Opposites
legal/official status

legitimatiseinvalidate

Make null or void

delegitimise · illegalize · outlaw · criminalize · annul

perceived validity/acceptability

legitimatisedelegitimise

Remove perceived rightfulness

discredit · stigmatize · denounce · condemn · vilify

Family

legitimatize

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Timeless · Abstract · Everyday, not technical · Rated G