1. to reach a conclusion by reasoning from evidence or general principles

Examples

• From the muddy footprints, she deduced that someone had walked through the garden.
• Scientists can deduce the age of rocks by studying their mineral composition.
• The detective deduced the killer’s identity from the evidence at the crime scene.
• We can deduce from his silence that he disagrees with the proposal.
• By examining the symptoms, the doctor deduced what illness the patient had.
• From the empty refrigerator, I deduced that my roommate had gone grocery shopping.