gen·ius 
(jēnyəs)
(jēnyəs)n. pl. gen·ius·es
1.
a. Extraordinary intellectual and creative power: artistic works of genius.
b. A person of extraordinary intellect and talent.
c. A person who has an exceptionally high intelligence quotient, typically above 140.
2.
a. A strong natural talent, aptitude, or inclination: has a genius for choosing the right words.
b. One who has such a talent or inclination: a genius at diplomacy.
3. The prevailing spirit or distinctive character, as of a place, a person, or an era: the genius of Elizabethan England.
4. pl. ge·ni·i (jēnē-ī′) Roman Mythology A tutelary deity or guardian spirit of a person or place.
[Middle English, guardian spirit, from Latin; see genə- in the Appendix of Indo-European roots.]