THESAURUS
detain
apprehend, arrest, backpedal, backwater, block, bog down, bottle up, box up, brake, bust, buttonhole, cage, check, clip the wings, cloister, confine, constrain, coop, coop in, coop up, cork up, countercheck, crib, curb, dam up, damp, dampen, decelerate, delay, drag, draw rein, ease off, ease up, encage, enclose, fence in, hang up, hem in, hinder, hold, hold back, hold in check, hold in custody, hold in restraint, hold up, immure, impede, impound, inhibit, intercept, interfere, intermeddle, interrupt, intervene, keep, keep back, keep in, keep in check, keep in custody, keep in detention, keep out, lag, let down, let up, lose ground, lose momentum, lose speed, make late, meddle, mew, mew up, mire, moderate, nab, obstruct, oppose, pen, pen up, pick up, pinch, pound, pull in, rail in, reef, rein in, relax, repress, reserve, resist, restrain, restrict, retain, retard, run in, scotch, seal up, set back, shackle, shut in, shut up, slack off, slack up, slacken, slow, slow down, slow up, snub, stay, stop, suppress, take in sail, throttle down, wall in, withhold
ROGET THESAURUS
detain
Retention
VB
retain, keep, hold fast one's own, hold tight one's own, hold fast one's ground, hold tight one's ground, clinch, clench, clutch, grasp, gripe, hug, have a firm hold of, secure, withhold,
detain, hold back, keep back, keep close, husband, reserve, have in stock, have on hand, keep in stock, entail, tie up, settle.