have on the brain

compulsion, coercion, coaction, constraint, duress, enforcement, press, conscription., force; brute force, main force, physical force; the sword, ultima ratio; club law, lynch law, mob law, arguementum baculinum, le droit du plus fort, martial law., restraint; necessity; force majeure; Hobson's choice.

compel, force, make, drive, coerce, constrain, enforce, necessitate, oblige., force upon, press; cram down the throat, thrust down the throat, force down the throat; say it must be done, make a point of, insist upon, take no denial; put down, dragoon., extort, wring from; put on the screws, turn on the screw; drag into; bind, bind over; pin down, tie down; require, tax, put in force; commandeer; restrain.

compelling; coercive, coactive; inexorable; compulsory, compulsatory; obligatory, stringent, peremptory., forcible, not to be trifled with; irresistible; compelled; fain to.

by force, by force of arms; on compulsion, perforce; vi et armis, under the lash; at the point of the sword, at the point of the bayonet; forcibly; by a strong arm., under protest, in spite of one's teeth; against one's will [more]; nolens volens (of necessity); by stress of circumstances, by stress of weather; under press of, under pressure of; de rigueur.