Search Result for "pioneered": 

The Collaborative International Dictionary of English v.0.48:

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]