Synonyms:
- advance,
- antenna,
- approach,
- asking price,
- barb,
- barbel,
- barbule,
- barometer,
- bid,
- bone of contention,
- cat whisker,
- catechism,
- cross-interrogatory,
- cross-question,
- debating point,
- demand,
- foretaste,
- hint,
- inquiry,
- interrogation,
- interrogative,
- interrogatory,
- invitation,
- issue,
- kiteflying,
- leader,
- leading,
- leading question,
- moot point,
- offer,
- offering,
- overture,
- palp,
- palpus,
- pilot balloon,
- point at issue,
- point in question,
- preliminary approach,
- presentation,
- probe,
- problem,
- proffer,
- query,
- question,
- question at issue,
- question mark,
- quodlibet,
- random sample,
- sample,
- sensor,
- sound,
- sounder,
- straw vote,
- submission,
- suggestion,
- tactile cell,
- tactile corpuscle,
- tactile hair,
- tactile organ,
- tactile process,
- tactor,
- tentative approach,
- test,
- tester,
- topic,
- trial balloon,
- vexed question,
- vibrissa,
- weather vane,
- weathercock