Ключевые слова: arousal, awakening, beginning, boost, catalyst, causation, cause, creativeness, determinant, drive, driving force, encouragement, eureka, example, fount, fountain, fountainhead, generator, guiding light, impetus, impulse, incentive, incitement, inducement, influence, inspiration, instigation, lift, model, motivating force, motivation, motive, muse, origin, purpose, rationale, reason, revelation, root, source, spring, spur, stimulant, stimulation, stimulus, the mainspring, well, wellspring,