Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun calling_into_question

1 sense of calling into question

Sense 1
calling into question, demand for explanation -- (a challenge to defend what someone has said)
       => challenge -- (a call to engage in a contest or fight)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of verb call_into_question

1 sense of call into question

Sense 1
question, oppugn, call into question -- (challenge the accuracy, probity, or propriety of; "We must question your judgment in this matter")
       => challenge -- (issue a challenge to; "Fischer challenged Spassky to a match")