| principle(noun, concept, idea, stimulus) |
| produce(verb, make, develop, cause, plan) |
| project(verb, form, develop, plan, produce) |
| put heads together(verb, expression, idiom, phrasal verb, check) |
| quirk(noun, concept, idea, stimulus) |
| read(verb, reason, view, examine, guess) |
| referring to(verb, adjective, concept, produce, idea) |
| reflect(verb, consider, reason, figure, think) |
| reflection(noun, concept, idea, stimulus) |
| reflex(noun, concept, idea, stimulus) |
| review(verb, check, consider, see, respect) |
| ruminate(verb, develop, consider, produce, create) |
| scheme(noun, verb, form, end, feeling) |
| shape(verb, form, craft, make, cause) |
| spark(noun, verb, form, craft, develop) |
| speak(verb, produce, think, conceive, invent) |
| speculate(verb, develop, consider, produce, create) |
| study(verb, consider, reason, examine, informal) |
| stunt(noun, verb, concept, produce, idea) |
| supposition(noun, concept, idea, belief, inspiration) |