adj.
VERBS
▪ be , sound
▪
The idea sounds ~
ADVERB
▪ extremely , fairly , very , etc.
▪ most ( esp. BrE )
▪
a most ~ device
Ingenious is used with these nouns: ↑ device , ↑ experiment , ↑ invention , ↑ method , ↑ plan , ↑ scheme , ↑ solution , ↑ technique , ↑ way