| motivator(noun, cause, spur, incentive, provocation) |
| occasion(noun, cause, start, reason, object) |
| point(noun, line, issue, piece, idea) |
| excuse(noun, action, cause, reason, base) |
| enticement(noun, reason, call, request, offer) |
| goad(noun, force, charge, feeling, drive) |
| idea(noun, cause, excitement, influence, point) |
| objective(noun, end, reason, aim, purpose) |
| pattern(noun, part, design, guide, model) |
| source(noun, cause, start, reason, idea) |
| spring(noun, force, cause, start, reason) |
| theme(noun, point, issue, piece, idea) |
| active |
| antecedent(noun, cause, reason, object, base) |
| catalyst(noun, charge, feeling, drive, cause) |
| constraint(noun, force, pressure) |
| determination(noun, energy, intention, ambition, initiative) |
| device(noun, part, guide, model, outline) |
| driving(adjective, force, restraint, pressure) |
| emotion(noun, feeling, cause, pleasure, passion) |