[ es-tuh-mey-shuhn ]
/ ˌɛs təˈmeɪ ʃən /


judgment or opinion: In my estimation the boy is guilty.
esteem; respect.
approximate calculation; estimate: to make an estimation of one's expenditures.

Origin of estimation

1325–75; Middle English estimacioun < Middle French < Latin aestimātiōn- (stem of aestimātiō). See estimate, -ion
Related formspre·es·ti·ma·tion, nounre·es·ti·ma·tion, nounself-es·ti·ma·tion, noun Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for estimation

British Dictionary definitions for estimation


/ (ˌɛstɪˈmeɪʃən) /


a considered opinion; judgmentwhat is your estimation of the situation?
esteem; respect
the act of estimating
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for estimation



late 14c., "action of appraising; manner of judging; opinion," from Old French estimacion, from Latin aestimationem (nominative aestimatio) "a valuation," from past participle stem of aestimare "to value" (see esteem). Meaning "appreciation" is from 1520s. That of "process of forming an approximate notion" is from c.1400.

Online Etymology Dictionary, © 2010 Douglas Harper