Immediate credit, perhaps (6)
I believe the answer is:
direct
'immediate' is the definition.
(similar in meaning)
'credit perhaps' is the wordplay.
'perhaps' indicates anagramming the letters.
'credit' with letters rearranged gives 'DIRECT'.
(Other definitions for direct that I've seen before include "Creepy-crawly" , "Frank; supervise" , "Frank; unambiguous" , "Immediate; organise (e.g. play)" , "Regulate" .)