sophist

n. ancient Greek teacher of philosophy; one who is skilled in devious argumentation

Sophism can mean two very different things: In the modern definition, a sophism is a confusing or illogical argument used for deceiving someone. In Ancient Greece, the sophists were a group of teachers of philosophy and rhetoric.The term sophism originates from Greek sophistes, meaning "wise-ist", one who "does" wisdom, one who makes a business out of wisdom (sophós means "wise man").
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Noun
1. any of a group of Greek philosophers and teachers in the 5th century BC who speculated on a wide range of subjects
(hypernym) philosopher

Noun
1. someone whose reasoning is subtle and often specious
(synonym) casuist
(hypernym) reasoner, ratiocinator

n. sophist, ancient Greek teacher of philosophy

n. sophist