- (a.) Of or pertaining to the French philosopher Rene Descartes, or his philosophy.
- (n.) An adherent of Descartes.
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Definition of: ASCERTAIN
- (v. t.) To render (a person) certain; to cause to feel certain; to make confident; to assure; to apprise.
- (v. t.) To make (a thing) certain to the mind; to free from obscurity, doubt, or change; to make sure of; to fix; to determine.
- (v. t.) To find out or learn for a certainty, by trial, examination, or experiment; to get to know; as, to ascertain the weight of a commodity, or the purity of a metal.
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- Animals having a bony or cartilaginous skeleton with a segmented spinal column and a large brain enclosed in a skull or cranium
- (n.) Pertaining to a sect, or to sects; peculiar to a sect; bigotedly attached to the tenets and interests of a denomination; as, sectarian principles or prejudices.
- (n.) One of a sect; a member or adherent of a special school, denomination, or religious or philosophical party; one of a party in religion which has separated itself from established church, or which holds tenets different from those of the prevailing denomination in a state.