Webster's Revised Unabridged Dictionary · 1913

Necessitate

Necessitate , transitive verb

[Compare Latin necessitatus, past participle of necessitare, and French nécessiter. See Necessity.]

1.
To make necessary or indispensable; to render unavoidable.
Sickness [might] necessitate his removal from the court. — South
This fact necessitates a second line. — J. Peile
2.
To reduce to the necessity of; to force; to compel.
The Marquis of Newcastle, being pressed on both sides, was necessitated to draw all his army into York. — Clarendon