Defers (9)
'defers' is the definition.
('postpone' can be a synonym of 'defer')
This is the entire clue.
(Other definitions for postpones that I've seen before include "Puts off till another time" , "Holds over to another time" .)
'defers' is the definition.
(suspending is a kind of deferring)
This is all the clue.
(Other definitions for suspends that I've seen before include "Brings to a temporary halt" , "Temporarily prevents from continuing" , "Hangs from something" , "Stops" , "Bars temporarily, from school say" .)