idea, think, make, rational, rationalization, pondering, teacher, lightbulb, problem, leadership, bulb, concept, brain, light, smart, genius, vision, rethink, conclusion, save, overhead, lamp, expression, business, sign, symbol, head, finger, intelligence, drawing, people, intelligent, different, female, mind, energy, creativity, women, solve, money, girl, contemplation, solution, face, student, person, choice, decision, puzzle, right
