NECESSITATE
necessitate, ask, postulate, need, require, take, involve, call for, demand
(verb) require as useful, just, or proper; “It takes nerve to do what she did”; “success usually requires hard work”; “This job asks a lot of patience and skill”; “This position demands a lot of personal sacrifice”; “This dinner calls for a spectacular dessert”; “This intervention does not postulate a patient’s consent”
necessitate
(verb) cause to be a concomitant
Source: WordNet® 3.1
Etymology
Verb
necessitate (third-person singular simple present necessitates, present participle necessitating, simple past and past participle necessitated)
(transitive) To make necessary; to require (something) to be brought about. [from early 17th c.]
Source: Wiktionary
Ne*ces"si*tate, v. t. [imp. & p. p. Necessitated; p. pr. & vb. n.
Necessitating.] Etym: [Cf. L. necessitatus, p.p. of necessitare, and
F. nécessiter. See Necessity.]
1. To make necessary or indispensable; to render unaviolable.
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.
Source: Webster’s Unabridged Dictionary 1913 Edition