How to Use the Thesaurus in Excel 2010
Excel 2010 includes access to a thesaurus via the Research task pane if you need to find a word with a similar meaning to a word on your worksheet. Using the thesaurus is a simple process.
Select the word you want to replace with another word.
If multiple words appear in the cell, double-click the cell and then drag over the word you want to look up.
Click the Thesaurus button in the Proofing group on the Review tab (or press Shift+F7).
The Research task pane appears on the right side of the screen and displays various meanings of the current word and possible replacements.
Point to the word that fits best as a replacement and click the arrow next to the word.
If you don’t see the exact word you want, click a similar word, which displays its synonyms. Click the Back button to return to the previous word.
Excel replaces the current word with your selection.