| antenna(noun, touch, device, member, hook) |
| tentacle(noun, member, hook, claw, appendage) |
| advance(noun, tender, offer, suggestion, opinion) |
| overture(noun, advance, plan, tender, call) |
| approach(noun, advance, suggestion, opinion, proposal) |
| barbel(noun, anything) |
| finger(noun, touch, member, hook, extremity) |
| probe(noun, advance, opinion, investigate, projection) |
| hand(noun, touch, anything, antenna) |
| hint(noun, opinion, indirect approach) |
| palpus(noun, touch, anything) |
| suggestion(noun, plan, tender, challenge, idea) |
| trial balloon(noun, expression, idiom, opinion, test) |
| palp(noun, anything) |
| test(noun, opinion) |
| claw(noun, member, hook, extremity, limb) |
| essay(noun, advance, suggestion, opinion, proposal) |
| leading question(noun, expression, idiom, question, inquiry) |
| proposal(noun, advance, tender, offer, suggestion) |
| question |