Conquer (6)

'conquer' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for master that I've seen before include "'Jack of all trades and . . . . . . of none'" , "One has consummate skill" , "Lord of a stream" , "Dominate" , "Overcome; original copy" .)
(Other definitions for subdue that I've seen before include "Overcome, quieten" , "Vanquish" , "'Quieten, bring under control (6)'" , "Force to yield, tame" , "Overcome, bring under control" .)
'conquer' is the definition.
(I know that conquer is a more specific form of the action defeat)
This is the entire clue.
(Other definitions for defeat that I've seen before include "Beat, win against" , "Loss" , "Conquer" , "best or worst" , "Beat (someone)" .)
'conquer' is the definition.
(synonyms)
This is all the clue.
(Other definitions for beat that I've seen before include "Strike; pulsate" , "Defeat; pulsate" , "Policeman's route; strike" , "buffet" , "Defeat; rhythm" .)
(Other definitions for sack that I've seen before include "Elbow" , "Large hessian bag" , "Fire; hessian bag" , "Dismiss; an old wine" , "present holder" .)
'conquer' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for best that I've seen before include "Superlatively good" , "Top; defeat" , "Beat" , "Of the highest quality" , "Most excellent - late football star" .)
'conquer' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for vanquish that I've seen before include "Defeat, overcome someone" , "Best" , "Defeat in a contest" , "Defeat in battle" , "Come out better in a contest" .)