Long and exotic words (like defenestration or sesquipedalian) are often more fascinating than useful. By comparison, this list offers more words that can enrich conversations without sounding ridiculous.
a theory or a group of ideas about how something should be done, made, or thought about
Words It Might Replace:
idea, theory, concept
"Pessimists are bemoaning the end of U.S. human spaceflight, but optimists see the next few years as a transition to a new paradigm that will energize commercial ventures and get astronauts beyond Earth orbit for the first time since the Nixon administration." Alan Boyle, MSNBC.com, July 13, 2011