Webster's Revised Unabridged Dictionary · 1913

Calculation

Calculation (-lā"shun) , noun

[Old English calculation, from Latin calculatio; compare Old French calcucation.]

1.
The act or process, or the result, of calculating; computation; reckoning, estimate.
The calculation of eclipses. — Nichol
The mountain is not so his calculation makes it. — Boyle
2.
An expectation based on circumstances.
The lazy gossips of the port, Abhorrent of a calculation crost, Began to chafe as at a personal wrong. — Tennyson