Source : Webster's Revised Unabridged Dictionary (1913)

Neology \Ne*ol"o*gy\, n. [Neo- + -logy: cf. F. n['e]ologie.]
   1. The introduction of a new word, or of words or
      significations, into a language; as, the present
      nomenclature of chemistry is a remarkable instance of
      neology.

   2. A new doctrine; esp. (Theol.), a doctrine at variance with
      the received interpretation of revealed truth; a new
      method of theological interpretation; rationalism.

Source : WordNet®

neology
     n 1: a newly invented word or phrase [syn: {neologism}, {coinage}]
     2: the act of inventing a word or phrase [syn: {neologism}, {coinage}]