'On'および'Upon'を使用した句動詞 - 理解または熟考（オン）

to understand a concept

理解する, 分かる

to carefully think about something for a while

考える, 熟考する

to manage to understand something, typically following an initial period of challenge or difficulty

理解する, 気づく

to become clear, evident, or understood, particularly after some time

思い至る, 気づく

to think or talk about something at length, often to the point of overthinking or obsessing about it

考え込む, 執着する

to think carefully and deeply about something

振り返る, 考えを巡らす

to postpone making a decision until the next day or a later time, often to think about it more

後回しにする, 保留にする

to finally understand something, usually after some initial difficulty

理解する（りかいする）, 把握する（はあくする）

to intend to do something in the future based on certain considerations or expectations

計画する, 予定する