Legitimacy(n.) The quality of being in conformity with law or accepted standards; hence, the condition of having been lawfully begotten, or born in wedlock.
Thesaurus Entries
absolute power, absolute realism, absolutism, actionability, admissibility, admissibleness, allowableness, applicability, artlessness, authenticity, authority, bona fideness, competence, competency, constituted authority, constitutional validity, constitutionalism, constitutionality, defensibility, delegated authority, divine right, due process, excusability, explainability, explicability, faculty, forgivableness, genuineness, honesty, inartificiality, indirect authority, inherent authority, jurisdiction, jus divinum, justice, justiciability, justifiability, justifiableness, lawful authority, lawfulness, legal authority, legal form, legal process, legalism, legality, legitimateness, licitness, lifelikeness, literalism, literality, literalness, naturalism, naturalness, pardonableness, permissibility, permissibleness, photographic realism, power, prerogative, realism, realness, reasonability, reasonableness, regality, remissibility, right, rightful authority, rightfulness, royal prerogative, sanctionableness, scope, sincerity, the say, the say-so, true-to-lifeness, truth to nature, unadulteration, unaffectedness, unfictitiousness, unspeciousness, unspuriousness, unsyntheticness, validity, veniality, verisimilitude, vested authority, vicarious authority, vindicability, warrantableness