Verb

(calculat)

(mathematics) To determine the value of something or the solution to something by a mathematical process.

(mathematics) To determine values or solutions by a mathematical process; reckon.

(intransitive, US, dialect) To plan; to expect; to think.

*, chapter=1

, title= Mr. Pratt's Patients, chapter=1 , passage=I stumbled along through the young pines and huckleberry bushes. Pretty soon I struck into a sort of path that, I cal'lated , might lead to the road I was hunting for. It twisted and turned, and, the first thing I knew, made a sudden bend around a bunch of bayberry scrub and opened out into a big clear space like a lawn.}}

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.

* (William Shakespeare)

A cunning man did calculate my birth.

To adjust for purpose; to adapt by forethought or calculation; to fit or prepare by the adaptation of means to an end.

* Archbishop Tillotson

[Religion] is calculated for our benefit.

Verb

(deriv)

To obtain or receive (something) from something else.

* {{quote-magazine, year=2013, month=July-August, author= Sarah Glaz

, title= Ode to Prime Numbers , volume=101, issue=4, magazine=(American Scientist) , passage=Some poems, echoing the purpose of early poetic treatises on scientific principles, attempt to elucidate the mathematical concepts that underlie prime numbers. Others play with primes’ cultural associations. Still others derive their structure from mathematical patterns involving primes.}}

(logic) To deduce (a conclusion) by reasoning.

(linguistics) To find the derivation of (a word or phrase).

(chemistry) To create (a compound) from another by means of a reaction.

To originate or stem (from).

* {{quote-magazine, date=2012-01

, author=Robert M. Pringle, volume=100, issue=1, page=31, magazine=(American Scientist) , title= How to Be Manipulative , passage=As in much of biology, the most satisfying truths in ecology derive from manipulative experimentation. Tinker with nature and quantify how it responds.}}

To turn the course of (water, etc.); to divert and distribute into subordinate channels.

* (and other bibliographic details) Holland

For fear it [water] choke up the pitsthey [the workman] derive it by other drains.