Professional
Part of speech: adjective
Definition: Of, pertaining to, or in accordance with the standards of a profession That is carried out for money, especially as a livelihood Expert
Part of speech: noun
Definition: A person who belongs to a profession A person who earns his living from a specified activity An expert.
Example sentence: I recently went to a new doctor and noticed he was located in something called the Professional Building. I felt better right away.
Profession
Part of speech: noun
Definition: A promise or vow made on entering a religious order.A declaration of belief, faith or of one's opinion.An occupation in which one has a professed expertise in a particular area; a job, especially one requiring a high level of skill or training.The practitioners of such an occupation collectively.