How do you access the dictionary and thesaurus in word?

To access the dictionary and thesaurus in Microsoft Word, highlight the Word you want to look up, then right-click and select "Synonyms" for quick access to synonyms. For a more comprehensive search, go to the "Review" tab in the ribbon and click on "Thesaurus." You can also press "Shift + F7" to open the thesaurus directly. Additionally, you can use the "Research" feature for dictionary definitions by right-clicking and selecting "Look Up."