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			es·o·ter·ic [èss térrik ] adjective 
 1.  restricted to initiates:  intended for or understood by only an initiated few
 
 2.  abstruse:  difficult to understand
 
 3.  secret:  secret or highly confidential
 
 
 [Mid-17th century. From Greek esterikos "belonging to an inner circle," from ester "inner," from es "within."]
 
 es·o·ter·i·cal·ly adverb
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