| contestable(adjective, uncertain, doubtful, arguable) |
| introduce(verb, move, give, open, present) |
| contend(verb, consider, oppose, settle, dispute) |
| raise(verb, present, start, submit, initiate) |
| suspect(verb, adjective, uncertain, doubtful, dubious) |
| agitate(verb, consider, oppose, dispute, challenge) |
| consider(verb, dispute, review, deliberate, argue) |
| deliberate(verb, give, consider, free, express) |
| disputed |
| in question(expression, adjective, idiom, uncertain, unsettled) |
| undetermined(adjective, inquiry) |
| unsure(adjective, open, uncertain, doubtful, questionable) |
| advance(verb, move, open, present, cause) |
| contest(noun, verb, consider, oppose, settle) |
| deniable(adjective, uncertain) |
| indefinite |
| open to question(expression, adjective, idiom, uncertain, doubtful) |
| suggest(verb, move, open, present, raise) |
| vague(adjective, uncertain) |
| ventilate(verb, move, open, consider, present) |