What is another word for "correct"?

Roget's Thesaurus (1911) lists these synonyms for "correct": academical, accidence, antithesis, artistic, case, chaste, classical, classicalism, classicism, concinnity, conjugation, declension, ease, easy, elegance, elegant, euphemism, euphemistic, euphonious, euphony, felicitous, flowing, fluent, grace, graceful, grammar, happy, inflection, language, mellifluous, natural, neat, neatly, norma, numerosity, parse, period, philology, place, point.