It means raising the subject at the palace (8)
I believe the answer is:
accolade
'it means raising the subject at the palace' is the definition.
The definition suggests a singular noun which matches the answer.
This is all the clue.
Can you help me to learn more?
(Other definitions for accolade that I've seen before include "Great praise or elevation to knighthood" , "Special recognition of merit" , "Award, originally of knighthood" , "Praise or approval, accompanies awarding of knighthood" , "Praise, as in conferring knighthood" .)