1. (a.) Well advanced in knowledge or skill; accomplished, adept; competent\; possessed of considerable acquirements; well-skilled; versed.

2. (n.) One who has made considerable advances in any business, art, science, or branch of learning; an expert; an adept; as, proficient in a trade; a proficient in mathematics, music, etc.

Daedalian able accomplished ace adapted adept adequate adjusted adroit apt archetypical artist artiste artistic au fait authoritative authority bravura brilliant capable checked out classic clean clever competent consummate coordinated crack crackerjack cunning cute daedal deft developed dexterous dextrous diplomatic effective effectual efficacious efficient equal to excellent exemplary exercised experienced expert fancy finished first-rate fit fitted fully developed gifted good goodish graceful handy ingenious knowledgeable magisterial master masterful masterly mature matured model neat no mean past master perfected polished politic practiced productive professional qualified quick quintessential quite some ready refined resourceful ripe ripened skilled skillful slick some statesmanlike stylish suited tactful talented the compleat the complete top-notch up to veteran virtuoso well-done well-fitted well-qualified well-suited well-versed whiz wizard workmanlike