Thinking that is coherent and logical.

synonyms: logical thinking, reasoning.

Roget 457: attention; mindfulness, presence of mind etc. adj.; intentness, intentiveness^†; alertness; thought etc. 451; advertence, advertency^†; observance, observation; consideration, reflection, perpension^†; heed; heedfulness; particularity; notice, regard etc. v.; circumspection, diligence etc. (care) 459; study, scrutiny inspection, introspection; revision, revisal.    active application, diligent application, exclusive application, minute application, close application, intense application, deep application, profound application, abstract application, labored application, deliberate application, active attention, diligent attention, exclusive attention, minute attention, close attention, intense attention, deep attention, profound attention, abstract attention, labored attention, deliberate attention, active thought, diligent thought, exclusive thought, minute thought, close thought, intense thought, deep thought, profound thought, abstract thought, labored thought, deliberate thought, active study, diligent study, exclusive study, minute study, close study, intense study, deep study, profound study, abstract study, labored study, deliberate study.    minuteness, attention to detail.    absorption of mind etc. (abstraction) 458.    indication, calling attention to etc. v.. ... show more

Roget 451: thought; exercitation of the intellect^†, exercise of the intellect; intellection; reflection, cogitation, consideration, meditation, study, lucubration, speculation, deliberation, pondering; head work, brain work; cerebration; deep reflection; close study, application etc. (attention) 457.    abstract thought, abstraction contemplation, musing; brown study etc. (inattention) 458; reverie, Platonism; depth of thought, workings of the mind, thoughts, inmost thoughts; self-counsel self-communing, self-consultation; philosophy of the Absolute, philosophy of the Academy, philosophy of the Garden, philosophy of the lyceum, philosophy of the Porch.    association of thought, succession of thought, flow of thought, train of thought, current of thought, association of ideas, succession of ideas, flow of ideas, train of ideas, current of ideas.    after thought, mature thought; reconsideration, second thoughts; retrospection etc. (memory) 505; excogitation^†; examination etc. (inquiry) 461; invention etc. (imagination) 515.    thoughtfulness etc. adj.. ... show more

Dutch: filosofie, gedachtegang, gedachtengang, redenatie, redenering
Polish: inferencja, wnioskowanie