Pleased, happy (4)
I believe the answer is:
glad
This clue is a double definition.
'pleased' is the first definition.
(similar in meaning)
'happy' is the second definition.
(I know that happy can be written as glad)
(Other definitions for glad that I've seen before include "happiness" , "Informal flower < -girl" , "Not sorry" , "Happy, cheerful" , "These rags are dressy clothes - happy?" .)