Definitions

1. noun

something that serves as a basis for comparison; a standard or criterion by which something is judged.

“Her intelligence was the touchstone for the entire class, and everyone measured themselves against her.”

2. noun

a valuable or useful source of information, ideas, or inspiration.

“The book was a touchstone for her writing style, and she drew inspiration from its poetic language.”

3. verb

to use someone or something as a basis for comparison; to judge or evaluate something by a particular standard or criterion.

“She touched for tone and texture, making sure the painting was in harmony with the rest of the exhibit.”

4. verb

to test or try the quality or extent of something.

“The new policy will touchstone the limits of the company’s financial resources.”