The state or quality of being legal; lawfulness.
An impromptu or extralegal system of justice substituted for established judicial procedure:
The quality or state of being authentic; reliability; genuineness
Find another word for legitimacy. In this page you can discover 20 synonyms, antonyms, idiomatic expressions, and related words for legitimacy, like: credibility, lawfulness, legality, legitimateness, licitness, law, authenticity, genuineness, illegitimacy, sovereignty and neutrality.