"exertion of the brain," whether conscious or unconscious, 1853, coined by English physiologist Dr. William B. Carpenter (1813-1885) from Latin cerebrum "brain" (see cerebral) + -ation. Related: Cerebrate (v.); cerebrated.
Cerberus
cere
cereal
cerebellum
cerebral
cerebration
cerebro-
cerebrovascular
cerebrum
ceremonial
ceremonious