思慮 Kanji
彼の思慮の無さには驚いた。 He was amazed at his foolishness.
思慮深 Kanji
彼はとても思慮深い人だ。 He is a very thoughtful person.
無思慮 Kanji
フェアにやろうとは申しませんけど、無思慮な行動はおやめ頂きたいですわ。 I will not say play fair but I would wish that you refrain from indiscreet acts.
思慮分別 Kanji