Credit (4)
'credit' is the definition.
(I know that believe is a more specific form of credit)
This is all the clue.
(Other definitions for believe that I've seen before include "Regard as true" , "Swallow" , "Keep the faith" , "Have confidence in" , "Have religious faith" .)
'credit' is the definition.
(I've seen this in another clue)
This is the entire clue.
(Other definitions for thank that I've seen before include "Show gratitude to" , "give credit" , "Express appreciation to" , "Express gratitude" , "Acknowledge" .)
'credit' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for belief that I've seen before include "Faith, credence" , "Firm conviction" , "Religious conviction" , "Conviction, faith" , "Faith, doctrine" .)
'credit' is the definition.
(on tick can mean purchased on credit)
This is the entire clue.
(Other definitions for tick that I've seen before include "Credit (sl.)" , "Small parasite" , "Not cross" , "Credit; mark as correct" , "Objectionable person" .)
(Other definitions for card that I've seen before include "Something players try to avoid" , "Maybe scratch this" , "Heart or club, say?" , "Something (usually) folded with a special message" , "Jack, for one" .)