1. Philosophy. A movement consisting of varying but associated theories, originally developed by Charles S. Peirce and William James and distinguished by the doctrine that the meaning of an idea or a proposition lies in its observable practical consequences.
2. A practical, matter-of-fact way of approaching or assessing situations or of solving problems.

The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.