Grand, opulent, almost plush? (6)
I believe the answer is:
fabric
'plush?' is the definition.
(plush is a kind of fabric)
'grand opulent almost' is the wordplay.
'grand' becomes 'fab' (I am not sure about this - if you are sure you should believe this answer much more).
'opulent' becomes 'rich' (similar in meaning).
'almost' means to remove the last letter (most of the word but not all of it).
'rich' with its last letter taken away is 'ric'.
'fab'+'ric'='FABRIC'
Can you help me to learn more?
(Other definitions for fabric that I've seen before include "Cotton or tweed, say" , "(Texture of) cloth" , "Material in general" , "Building structure; textile" , "Woven, knitted or felted cloth" .)