What is another word for Challenge in english

The list of words which can be used for Challenge while creating sentence in english language. objection test protest threat ultimatum provocation demanding onerous, stringent, tough, taxing, hard, pressing interrogation investigation, examination, inquiry, cross-examination trial demur confrontation contest, showdown, fight, battle, strife, meeting, crisis defiance dare taunt, cartel, stump, provocation, insult, resist, oppose remonstrance claiming summons to contest try defy resist, spurn, thwart, violate, withstand, confront impose appoint, levy, force, institute, require, introduce, order denounce prosecute, criticize, rebuke, brand, excoriate, scold assert contend, claim, stress, profess, uphold, affirm, defend require call for suggest, require, request, involve, want, need, inquire impugn assail, contravene, knock, deny, blast, traduce, contradict brave gallant, foolhardy, daring, confident, fearless, spunky vindicate inquire investigate, inspect, examine, interrogate, prospect, grill tax cross short, peeved, faultfinding, annoyed, cantankerous impeach criticize, reprimand, discredit, indict, accuse, arraign accost confront, annoy, bother, welcome, cross, hail, face, dare investigate search, inspect, consider, explore, study, probe, question arouse awaken, rouse, stir, incite, instigate, inflame, kindle reclaim query provoke exact perfect, identical, definite, explicit, specific, literal stimulate beard imperial, fuzz, brush, Santa Claus, stubble, bristles face the music bite the bullet, come to grips with, be punished throw down the gauntlet ask for suggest, require, request, involve, want, need, inquire call out disclose, reveal, babble, leak, spout, divulge, betray face down face off fly in the face of defy, go through, confront, court, risk, support, bear hang in insist upon invite competition make a point of try, claim, confront, defy, impose, denounce, assert make a stand object to search out stand up to stick it out 
Usage of Challenge in sentences
Hindi to English Dictionary
English to Hindi Dictionary