See constrain in Webster's New World Roget's A-Z Thesaurus II
verb
To cause (a person or thing) to act or move in spite of resistance:
coerce, compel, force, make, obligate, oblige, pressure. See attackTo control, restrict, or arrest:
bit2, brake, bridle, check, curb, hold, hold back, hold down, hold in, inhibit, keep, keep back, pull in, rein (back, in, or up), restrain. See restraintTo check the freedom and spontaneity of:
constrict, cramp2, inhibit. See free, tighten
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