from The American Heritage® Dictionary of the English Language, 4th Edition
- transitive v. To ascertain by computation; reckon: calculating the area of a circle; calculated their probable time of arrival.
- transitive v. To make an estimate of; evaluate: calculating the team's chances of winning.
- transitive v. To make for a deliberate purpose; design: a sturdy car that is calculated to last for years; a choice that was calculated to please.
- transitive v. Chiefly New England To suppose: "I cal'late she's a right smart cook” ( Dialect Notes).
- transitive v. Chiefly New England To plan, intend, or count on.
- intransitive v. To perform a mathematical process; figure: We must measure and calculate to determine how much paint will be needed.
- intransitive v. To predict consequences.
- intransitive v. Regional To suppose; guess.
- intransitive v. Regional To count, depend, or rely on someone or something: We're calculating on your help.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. To determine the value of something or the solution to something by a mathematical process.
- v. To determine values or solutions by a mathematical process.
- v. To plan something, especially something morally wrong.
from the GNU version of the Collaborative International Dictionary of English
- intransitive v. To ascertain or determine by mathematical processes, usually by the ordinary rules of arithmetic; to reckon up; to estimate; to compute.
- intransitive v. To ascertain or predict by mathematical or astrological computations the time, circumstances, or other conditions of; to forecast or compute the character or consequences of.
- intransitive v. To adjust for purpose; to adapt by forethought or calculation; to fit or prepare by the adaptation of means to an end.
- intransitive v. To plan; to expect; to think.
- intransitive v. To make a calculation; to forecast consequences; to estimate; to compute.
from The Century Dictionary and Cyclopedia
- To ascertain by computation; compute; reckon up arithmetically or by items: as, to calculate interest, or the cost of a house.
- To make an estimate of; compute by weighing related facts or circumstances in the mind: as, to calculate chances or probabilities.
- To fit or prepare by the adaptation of means to the end; make suitable; plan: generally in the perfect participle, and frequently (though improperly) in the sense of fitted, without any thought of intentional adaptation.
- To purpose; intend; design: as, he calculates to do it; he calculates to go.
- To think; guess.
- To make a computation; arrive at a conclusion after weighing all the circumstances; form an estimate; reckon: as, we calculate better for ourselves than for others; to calculate on (that is, with expectation of) fine weather.
- To speculate about future events; predict.
- To suppose or believe, after deliberation; think; ‘guess’; ‘reckon’: as, you are wrong there, I calculate.
- n. Calculation.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- v. judge to be probable
- v. keep an account of
- v. predict in advance
- v. specifically design a product, event, or activity for a certain public
- v. make a mathematical calculation or computation
- v. have faith or confidence in
Late Latin calculāre, calculāt-, from Latin calculus, small stone used in reckoning, diminutive of calx, calc-, small stone for gaming; see calx.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin calculātus, perfect passive participle of calculō ("I reckon, originally by means of pebbles"), from calculus ("a pebble"). (Wiktionary)