Generate (6)
'generate' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for breed that I've seen before include "Special variety of domesticated animal" , "Livestock classification" , "Propagate; this happy one, Richard II" , "Lead to (success); kind" , "Mate and have offspring" .)
'generate' is the definition.
(I know that generate is a more specific form of the action create)
This is the entire clue.
(Other definitions for create that I've seen before include "Be the first to make (a fuss?)" , "Build" , "Manufacture, bring into being" , "Compose" , "Make or invent" .)