(used of persons or artifacts) marked by independence and creativity in thought or action; "an imaginative use of material"; "the invention of the knitting frame by another ingenious English clergyman"- Lewis Mumford; "an ingenious device"; "had an inventive turn of mind"; "inventive ceramics"
(Greek mythology) a beautiful princess loved by Cupid who visited her at night and told her she must not try to see him; became the personification of the soul
the quality of being consistent with or based on logic
the state of having good sense and sound judgment; "his rationality may have been impaired"; "he had to rely less on reason than on rousing their emotions"