deduce

To reach (a conclusion) by applying rules of logic or other forms of reasoning to given premises or known facts.transitive

• [T]hoſe principles or firſt poſitions, have no diſcordance with that reaſon, which draweth downe and diduceth the inferiour poſitions.
• From the comparative weight or lightneſs of the Air at different times, he deduceth alſo the riſing and falling of Vapours in it.

To examine, explain, or record (something) in an orderly manner.transitiveuncommon

• Pye[d-mantle]. […] Sir, I haue drawne / A Pedigree for her Grace, though yet a Nouice / In that ſo noble ſtudy. […] I haue deduc'd her.— […]
• It ſeems there is ſome angry Star that hath hung over this Buſineſs of the Palatinate from the beginning of theſe German Wars to this very Day, which will too evidently appear, if one ſhould mark and deduce Matters from their firſt Riſe.

To obtain (something) from some source; to derive.archaictransitive

• O Goddeſs, ſay, ſhall I deduce my rhimes / From the dire nation in its early times, / Europa’s rape, Agenor’s ſtern decree, / And Cadmus ſearching round the ſpacious ſea?
• The Spring whence thou [Hugh Myddelton] deduced'st the ample stream, / The Poet's and Historian's theme, / Trenching thy mighty aqueduct a way, / 'Till as the humble plains, the aspiring hills obey.

To be derived or obtained from some source.archaicintransitive

• [B]y the ſtatute 7 Ann. c. 21 […] it is enacted, that, after the death of the pretender, and his ſons, no attainder for treaſon ſhall extend to the diſinheriting any heir, nor the prejudice of any perſon, other than the offender himſelf: wh

To take away (something); to deduct, to subtract (something).obsoletetransitive

• to deduce a part from the whole

To lead (something) forth.obsoletetransitive

• Richard of the Vies will that Penda, K[ing] of Mereland, firſt deduced a colony of Cambridge men hither and cals it Crekelade, as other Kirklade with variety of names: […]