deduced; deducing
Definition of deduce
1
: to determine by reasoning or deduction
deduce the age of ancient artifacts She deduced, from the fur stuck to his clothes, that he owned a cat.
specifically, philosophy
: to infer (see infer sense 1) from a general principle
2
: to trace the course of
deduce their lineage
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Merriam-Webster unabridged
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Time Traveler for deduce
The first known use of deduce was in the 15th century
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