Ingenious
Ingenious (adj) /ɪnˈdʒiː.ni.əs/
Definition
clever, innovative and skillful with novel ideas, inventive, resourceful, clever, imaginative, smart
Example
Eric has devised an ingenious plan to cut costs in our organization.
Antonyms
lowbrow, unimaginative
Parts of speech
Noun: ingeniousness
Adverb: ingeniously