I.
noun
ADJECTIVE
▪ plump , soft
▪
He sank back into the soft ~s of the sofa.
▪ couch ( esp. AmE ), sofa
▪ scatter ( BrE ), throw ( AmE )
▪ seat
VERB + CUSHION
▪ plump , plump up
▪
She plumped up the sofa ~s before the guests arrived.
CUSHION + NOUN
▪ cover
PREPOSITION
▪ on a/the ~
▪
I rested my elbow on a ~.
II.
verb
Cushion is used with these nouns as the object: ↑ blow , ↑ effect , ↑ fall , ↑ impact