| MAS | key that secures entrance everywhere |
|---|---|
| MAS | presiding officer of a school |
| MAS | an artist of consummate skill |
| MAS | an authority qualified to teach apprentices |
| MAS | directs the work of other |
| MAS | someone who holds a master's degree from academic institution |
| MAS | an officer who is licensed to command a merchant ship |
| MAS | a person who has general authority over others |
| MAS | a combatant who is able to defeat rivals |
| MAS | have a firm understanding or knowledge of |
| MAS | be or become completely proficient or skilled in |
| MAS | get on top of |