If you’re writing an article or presentation, in many cases it’s better to use smaller words, that more readers will easily understand, than to fill your articles with five syllable tongue-twisters. Eschew obfuscation, as they say.
Now there’s Thsrs, an online thesaurus to help you simplify your writing.
Enter a long word in the input box, and Thsrs will return a list of suggested replacements.
One of the words in the list might be a good replacement for your longer word, and will spare your readers from confusion.