master

adj. chief, principal; controlling, ruling; expert, proficient, skilled; superior

v. rule, command, control; vanquish, subjugate; become proficient, grasp

n. lord, ruler; captain of a ship; principal of a school; owner of a slave or animal; expert practitioner; skilled artist, virtuoso; one who has victory over another; one whose teachings inspire and guide others; title of respect for a young male

Master (a man having control or authority) or Masters may refer to:Master (form of address), a title.Master, the original of a document or other copied item.Master recording, the original of a recording.Sensei, a Japanese title used to refer to authority figures.Gangmaster, a person who provides workers for agricultural purposes.Master craftsman, a fully qualified artisan or craftsman, originally as rank in a guild.Guru, a teacher in Hinduism, Buddhism and Sikhism.Maestro, a skilled, usually non-academic, instructor, as in Dance Master, Music Master, Fencing Master, Drawing Master etc.Master (BDSM), honorific some people use to describe the dominant partner in a relationship.Slavemaster, a person who manages slaves.Master-slave (computers), one device controlling the operation of other devices.
See more at Wikipedia.org...

Noun
1. an artist of consummate skill; "a master of the violin"; "one of the old masters"
(synonym) maestro
(hypernym) artist, creative person
(hyponym) old master
(derivation) control
2. a person who has general authority over others
(synonym) overlord, lord
(hypernym) ruler, swayer
(hyponym) feudal lord, seigneur, seignior
(derivation) dominate
3. a combatant who is able to defeat rivals
(synonym) victor, superior
(hypernym) combatant, battler, belligerent, fighter, scrapper
(hyponym) conqueror, vanquisher
4. directs the work of other
(hypernym) employer
(hyponym) postmaster
5. presiding officer of a school
(synonym) headmaster, schoolmaster
(hypernym) principal, school principal, head teacher, head
(hyponym) housemaster
6. an original creation (i.e., an audio recording) from which copies can be made
(synonym) master copy, original
(hypernym) creation
7. an officer who is licensed to command a merchant ship
(synonym) captain, sea captain, skipper
(hypernym) officer, ship's officer
(hyponym) Kidd, William Kidd, Captain Kidd
8. someone who holds a master's degree from academic institution
(hypernym) scholar, scholarly person, student
9. an authority qualified to teach apprentices
(synonym) professional
(hypernym) authority
(hyponym) past master
10. key that secures entrance everywhere
(synonym) passkey, passe-partout, master key
(hypernym) key
(hyponym) skeleton key
Verb
1. be or become completely proficient or skilled in; "She mastered Japanese in less than two years"
(synonym) get the hang
(hypernym) know
(entail) drill, exercise, practice, practise
(derivation) maestro
2. get on top of; deal with successfully; "He overcame his shyness"
(synonym) overcome, get over, subdue, surmount
(hypernym) get the better of, overcome, defeat
(hyponym) bulldog
3. have dominance or the power to defeat over; "Her pain completely mastered her"; "The methods can master the problems"
(synonym) dominate
(hypernym) control, command
(hyponym) command
(derivation) overlord, lord
4. have a firm understanding or knowledge of; be on top of; "Do you control these data?"
(synonym) control
(hypernym) know
(hyponym) cinch
(entail) understand
(verb-group) operate, control
(derivation) maestro

n. master, title of respect for a young male; master of arts, MA, post-graduate degree; person who holds an M.A. degree

n. master, master's degree, second degree, M.A.