Logical; following clear reasoning. Often used as a loanword (typically a na-adjective) to describe reasoning or explanations that are orderly and coherent.
ロジカルな説明をしてください。
Please give a logical explanation.
彼のプレゼンはとてもロジカルで説得力があった。
His presentation was very logical and persuasive.
ロジカルシンキングの訓練を受けると問題解決が楽になる。
Training in logical thinking makes problem solving easier.