Answer: challenge

AnswerCrossword Clue
CHALLENGEDouble dare
CHALLENGEThrow down the gauntlet
CHALLENGEQuestion
CHALLENGEDefy.
CHALLENGECall into question
CHALLENGEDare
challengeA task or situation that tests someone's abilities
challengeA call to take part in a contest or competition, esp. a duel
challengeAn objection or query as to the truth of something, often with an implicit demand for proof
challengeAn objection regarding the eligibility or suitability of a jury member
challengean invitation to a contest / to summon (someone) to settle a matter by fighting or by any kind of contest
challengeAn attempt to win a contest or championship in a sport
challengeA sentry's call for a password or other proof of identity
challengeExposure of the immune system to pathogenic organisms or antigens