'Pioneered' definitions:

Definition of 'Pioneered'

From: GCIDE
  • Pioneer \Pi`o*neer"\, v. t. & i. [imp. & p. p. Pioneered; p. pr. & vb. n. Pioneering.]
  • 1. To go before, and prepare or open a way for; to act as pioneer. [1913 Webster]
  • 2. to take part in the early development of; to break ground in; to invent or originate. [PJC]