Noun
1. inquiry
2. enquiry, query, interrogation, questioning, inquiring, head
3. subject, topic, theme, interrogation
4. interrogative, interrogative sentence, sentence, doubt
5. dubiousness, doubtfulness, uncertainty, uncertainness, motion
6. proposal, marriage proposal
Verb
1. proposal of marriage, marriage offer, proposal, oppugn
2. call into question, challenge, interrogate
3. ask, query
4. ask, interview
5. converse, discourse, wonder
5. chew over, think over, meditate, ponder, excogitate, contemplate, muse, reflect, mull, mull over, ruminate, speculate