考え出す

(1)come up with (an idea, plan, explanation, theory, or principle) after a mental effort; "excogitate a way to measure the speed of light"

(2)思考錯誤の後で思いつく（考え、計画、説明理論または主義）

(3)work out; "We have developed a new theory of evolution"

(4)考え出す

(5)make up something artificial or untrue

(6)人工であるか偽りの何かを作る