| inducement(request, offer, invite) |
| ingress(noun, connection, approach, entrance, entry) |
| introduction(noun, connection, approach, entrance, entry) |
| invite(noun, challenge, call, request, offer) |
| key(noun, connection, approach, entrance, entry) |
| lure(request, offer, invite) |
| motive(noun, challenge, call, request, offer) |
| offer(noun, challenge, call, request, suggestion) |
| overture(request, offer, invite) |
| paper(request, offer, invite) |
| pass(noun, challenge, call, request, offer) |
| passage(noun, connection, approach, entrance, entry) |
| path(noun, connection, approach, entrance, entry) |
| petition(request, offer, invite) |
| pressure(noun, challenge, call, request, offer) |
| proffer(noun, challenge, call, request, offer) |
| prompting(request, offer, invite) |
| proposition(request, offer, invite) |
| provocation(noun, challenge, call, request, offer) |
| reason(noun, challenge, call, request, offer) |