Happy
'happy' is the definition.
(similar in meaning)
This is all the clue.
(Other definitions for glad that I've seen before include "Not sorry" , "Dressy clothes, informally .... rags" , "Pleased, delighted" , "part of Iris's family" , "bright?" .)
'happy' is the definition.
(similar in meaning)
This is the entire clue.
(Other definitions for blissful that I've seen before include "Ecstatic, rapturously happy" , "Full of joy" , "Delighted" , "Joyous, rapt" , "Extremely happy" .)
'happy' is the definition.
(associated in meaning)
This is the entire clue.
(Other definitions for cheerful that I've seen before include "gay" , "Optimistic and upbeat" , "Genial" , "Happy and optimistic" , "Lure chef into being in good spirits" .)
'happy' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for in good spirits that I've seen before include "Happy" , "Cheerful, often despite one's problems" .)