理路整然 りろせいぜん Meanings たる-adjective, Adverb logical; cogent; well-reasoned; logically consistent Kanji 理 reason. Read as リ. 路 route 整 arrange. Read as セイ. 然 -ly. Read as ゼン. Word lists Yojijukugo (四字熟語) Jinuma: Japanese Dictionary · Word lists