From Latin genius (“the guardian spirit of a person, spirit, inclination, wit, genius, literally 'inborn nature'”), from gignere (“to beget, produce”), Old Latin genere, the root gen; see genus.
genius (plural: genii (formal, classical Roman mythology) or geniuses (colloquial))
- Someone possessing extraordinary intelligence or skill; especially somebody who has demonstrated this by a creative or original work in science, music, art etc.
- Extraordinary mental capacity.
- inspiration, a mental leap, an extraordinary creative process.
- A work of genius
- (Roman mythology) The guardian spirit of a place or person.
- A way of thinking, optimizing one's capacity for learning and understanding.
Related terms 
someone possessing extraordinary intelligence or skill
extraordinary mental capacity
External links 
From gens (“household, clan, tribe”) + -ius
genius (genitive geniī); m, second declension
- the deity or guardian spirit of a person, place, etc.
- (with respect to the enjoyment of life) the spirit of social enjoyment, fondness for good living, taste, appetite, inclinations
- (of the intellect) wit, talents, genius (rare)