What is the numerical value for the word 'six'?

The word 'six' corresponds directly to the numerical value of six. This connection between the word and its numerical representation is straightforward and fundamental in our understanding of numbers and their verbal forms.

The other options represent different numerical values: five is one less than six, seven is one more, and eight is two more than six. Therefore, 'six' stands out as the only option that precisely matches the numerical representation of the word itself. In a learning context, recognizing this equivalence is crucial for developing a strong foundational understanding of numbers and their symbolic representations.