cerebrate

[ser-uh-breyt] /ˈsɛr əˌbreɪt/
verb (used without object), verb (used with object), cerebrated, cerebrating.
1.
to use the mind; think or think about.
Origin
1870-75; back formation from cerebration. See cerebrum, -ation
Related forms
cerebration, noun
cerebrational, adjective
Can be confused
celebrate, celibate, cerebrate.
British Dictionary definitions for cerebrate

cerebrate

/ˈsɛrɪˌbreɪt/
verb
1.
(intransitive) generally (facetious) to use the mind; think; ponder; consider