Pressure admitted by rather scholarly doctor prone to slips (7)
I believe the answer is:
spooner
'scholarly doctor prone to slips' is the definition.
(academic after whom Spoonerisms are named)
'pressure admitted by rather' is the wordplay.
'pressure' becomes 'p' (abbreviation).
'admitted by' indicates putting letters inside.
'rather' becomes 'sooner' (I've seen this in another clue).
'p' inserted inside 'sooner' is 'SPOONER'.
(Other definitions for spooner that I've seen before include "One who gave his name to a transposition of sounds in speech" , "Original transposer of initial letters in speech" , "Tongue-tied man" , "Revd W.A.- was famed for his errors in speech" , "English clergyman and Oxford don (1844-1930), who had an "ism" named after him" .)