intelligent
/in-ˈte-lə-jənt/
adjective
having or indicating a high or satisfactory degree of intelligence and mental capacity
revealing or reflecting good judgment or sound thought : skillful
possessing intelligence
intelligent clever alert quick-witted mean mentally keen or quick. intelligent stresses success in coping with new situations and solving problems. clever implies native ability or aptness and sometimes suggests a lack of more substantial qualities.
noun
the theory that matter, the various forms of life, and the world were created by a designing intelligence
noun
beings that can learn and understand things
looking for signs of intelligent life on other planets