Look up some common words you use every day in the
thesaurus. Then, like slipping your feet into a new pair
of shoes, slip your tongue into a few new words to see
how they fit. If you like them, start making permanent
replacements.
Remember, only fifty words makes the difference
between a rich, creative vocabulary and an average,
middle-of-the-road one. Substitute a word a day for
two months and you'll be in the verbally elite