analytic
adj.good at solving problems by using logic and facts rather than feelings.
adj.characterized by the use of logical reasoning and systematic analysis; detached from emotion. Often used to describe a person's thinking style or a method of study.
“She is very analytic and likes to check the facts.”
“The manager used an analytic approach to find the cause of the sales drop.”
“His analytic mind allowed him to deconstruct complex arguments into their simplest logical components without getting lost in the details.”
“That project fed his notoriously intense, analytic and occasionally obsessive approach to songwriting.”
“Such tools can support resource planning and identify inequities, but require improved public data and analytic capacity.”
From Ancient Greek ἀναλυτικός (analutikós).
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.