Definition of Deducible

Babylon English Dictionary
capable of being concluded through reason
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Deducible Definition from Language, Idioms & Slang Dictionaries & Glossaries
Webster's Revised Unabridged Dictionary (1913)
(a.)
Capable of being deduced or inferred; derivable by reasoning, as a result or consequence.
  
(a.)
Capable of being brought down.
  
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter. About
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deducible
\de*du"ci*ble\ (?), a.
1. capable of being deduced or inferred; derivable by reasoning, as a result or consequence. all properties of a triangle depend on, and are deducible from, the complex idea of three lines including a space.
2. capable of being brought down. [obs.] as if god [were] deducible to human imbecility.

WordNet 2.0

Adjective
1. capable of being deduced
(similar) deductive