1. Becoming proficient in the use of something; having mastery of
   "his mastering the art of cooking took a long time"
    
2. The act of making a master recording from which copies can be made
   "he received a bill for mastering the concert and making 100 copies"

1. Be or become completely proficient or skilled in
   "She mastered Japanese in less than two years";
   - get the hang of
    
2. Have a firm understanding or knowledge of; be on top of
   "She had mastered three languages by age twenty";
   - control
    
3. Get on top of; deal with successfully
   "He mastered his shyness";
   - overcome, get over, subdue, surmount
    
4. Have dominance or the power to defeat over
   "Her pain completely mastered her"; "The methods can master the problems";
   - dominate

Derived forms: masterings

Type of: beat, beat out, command, control, crush, education, know, recording, shell [US], transcription, trounce, vanquish

Encyclopedia: Mastering