Intervene

Verb

 * 1) To come between, or to be between, persons or things; -- followed by between; as, the Mediterranean intervenes between Europe and Africa.
 * 2) To occur, fall, or come between, points of time, or events; as, an instant intervened between the flash and the report.
 * 3) To interpose; as, to intervene to settle a quarrel; get involved, so as to alter or hinder an action
 * 4)  In a suit to which one has not been made a party, to put forward a defense of one's interest in the subject matter.

Related terms

 * intervention

Adverbs for Intervene
actively; Impetuously; diabolically; miraculously; demoniacally; indiscreetly; venomously; slyly; paternally; hatefully; habitually; jealously.

Thesaurus
act between, arbitrate, arrest, bargain, barge in, bottle up, break, break in, break in upon, burst in, butt in, call a break, call time, charge in, check, come between, countercheck, crash, crash in, crash the gates, creep in, crowd in, curb, cut in, dam up, damp, dampen, declare a recess, delay, detain, divide, drag in, edge in, elapse, elbow in, encroach, entrench, foist in, fudge in, go between, hinder, hold back, hold in check, hold up, horn in, impede, impinge, implant in, impose, impose on, impose upon, infiltrate, infringe, inhibit, inject in, insert in, insinuate, insinuate in, intercalate, intercede, intercept, interfere, interjaculate, interject, interlope, interlude, intermeddle, intermediate, intermit, interpolate, interpose, interrupt, interval, introduce in, intrude, invade, irrupt, judge, keep back, keep in check, lug in, make terms, meddle, mediate, meet halfway, moderate, negotiate, obtrude, oppose, part, pass, pause, press in, push in, put between, put on, put upon, recess, referee, represent, repress, resist, restrain, retard, run in, rush in, sandwich, scotch, separate, set back, sever, slacken, slink in, slip in, smash in, smuggle in, sneak in, snub, squeeze in, steal in, step in, storm in, suppress, take a break, take five, take ten, throng in, throw in, thrust in, treat with, trench, trespass, umpire, wedge in, work in, worm in