1) Call for 2) Cause to be a concomitant 3) Compel 4) Demand 5) Entail 6) Involve 7) Make essential 8) Make unavoidable 9) Need 10) Postulate 11) Require 12) Take 13) To make necessary 1) Call for 2) Entail 3) Force 4) Inflict 5) Involve 6) Need 7) Require 
• (v. t.) To reduce to the necessity of; to force; to compel. • (v. t.) To make necessary or indispensable; to render unaviolable. • (v. t.) To reduce to the necessity of; to force; to compel. • (v. t.) To make necessary or indispensable; to render unaviolable.
Ne·ces'si·tate transitive verb [ imperfect & past participle Necessitated ; present participle & verbal noun Necessitating .] [ Confer Latin necessitatus , past participle of necessitare , and French nécessiter . ...
[v] - cause to be a concomitant 2. [v] - require as useful, just, or proper
to make necessary or unavoidable: The breakdown of the car necessitated a change in our plans. · to compel, oblige, or force: The new wage demand will necessitate a price increase.
[SAT terms] require as useful, just, or proper