What is another word for "master"?

Roget's Thesaurus (1911) lists these synonyms for "master": abecedarian, academician, academist, accoucheur, accoucheuse, acrobat, adept, admirable, adolescence, adviser, age, agency, aid, all, along, and, animal, antiquarian, antiquary, apostle, apparent, archaeologist, arms, artist, assistance, authority, away, bays, bear, beau, beneficiary, bibliomaniac, bibliophile, big, bigwig, blade, blue, bluestocking, boar, bookworm.