a priori

[ey prahy-awr-ahy, -ohr-ahy, ey pree-awr-ee, -ohr-ee, ah pree-awr-ee, -ohr-ee]
adjective
1.
from a general law to a particular instance; valid independently of observation. Compare a posteriori ( def 1 ).
2.
existing in the mind prior to and independent of experience, as a faculty or character trait. Compare a posteriori ( def 2 ).
3.
not based on prior study or examination; nonanalytic: an a priori judgment.

Origin:
1645–55; < Latin: literally, from the one before. See a-4, prior

apriority [ey-prahy-awr-i-tee, -or-] , noun

ad hoc, a posteriori, a priori, ex post facto, prima facie.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To a priori
Collins
World English Dictionary
a priori (eɪ praɪˈɔːraɪ, ɑː prɪˈɔːrɪ)
 
adj
1.  logic relating to or involving deductive reasoning from a general principle to the expected facts or effects
2.  logic known to be true independently of or in advance of experience of the subject matter; requiring no evidence for its validation or support
3.  statistics prior probability See mathematical probability
 
[C18: from Latin, literally: from the previous (that is, from cause to effect)]
 
apriority
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Etymonline
Word Origin & History

a priori
1710, "from cause to effect" (a logical term, in ref. to reasoning), from L., lit. "from what comes first," from priori, abl. of prior "first" (see prior (adj.)). Used loosely for "in accordance with previous knowledge" (1834).
Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
Example sentences
Now, let me say that I have a priori suspicions, prejudices mainly.
But this isn't a book you buy for the a priori dissection.
There exists only one class of aggregation devices which do not require a
  priori privileging of some preferences.
We do not want the Bulletin's editorials to degenerate into a mere repetition
  of commonly held, but erroneous, a priori notions.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;