Dictionary.net

an authority qualified to teach apprentices

a person engaged in one of the learned professions

engaged in a profession or engaging in as a profession or means of livelihood; "the professional man or woman possesses distinctive qualifications"; "began her professional career after the Olympics"; "professional theater"; "professional football"; "a professional cook"; "professional actors and athletes"

characteristic of or befitting a profession or one engaged in a profession; "professional conduct"; "professional ethics"; "a thoroughly professional performance"

engaged in by members of a profession; "professional occupations include medicine and the law and teaching"

of or relating to a profession; "we need professional advice"; "professional training"; "professional equipment for his new office"

an authority qualified to teach apprentices

a person engaged in one of the learned professions

characteristic of or befitting a profession or one engaged in a profession; "professional conduct"; "professional ethics"; "a thoroughly professional performance"

engaged in by members of a profession; "professional occupations include medicine and the law and teaching"

of or relating to a profession; "we need professional advice"; "professional training"; "professional equipment for his new office"

Of or pertaining to a profession, or calling; conforming to the rules or standards of a profession; following a profession; as, professional knowledge; professional conduct.

Engaged in by professionals; as, a professional race; -- opposed to amateur.

A person who prosecutes anything professionally, or for a livelihood, and not in the character of an amateur; a professional worker.

Pertaining to a calling or occupation requiring a superior education; following a calling as a means of livelihood; as, a professional baseball player.

One who makes his living by an occupation, as distinguished from an amateur.

Professionally.

Professionalism.

Professionally.

Pertaining to a profession.

One who makes his living by an art, as opposed to an amateur who practices it merely for pastime.

Professionally.

Pertaining to a profession, or business.

Relating to or befitting any profession, specifically, in medicine, the medical profession; ethical.

Pertaining to a profession.

One who makes his living by an art which to others is a pastime.

Pertaining to one's profession or occupation.

Pertaining to a profession or calling; specifically, to the medical profession; consistent with the etiquette recognized in that profession.