Touchstone

Noun

Definition: A standard or criterion by which something is judged, tested, or recognized.

Synonyms: Benchmark, Yardstick, Criterion, Gauge

Antonyms: Deviation, Exception, Anomaly

Examples:

When hiring new employees, the company uses teamwork as a touchstone to evaluate candidates.
Honesty is often considered a touchstone of a lasting relationship.

Mnemonics:

Think of a touchstone as a tool used to evaluate or judge something.

Etymology:

Origin:

The word "touchstone" comes from Middle English "touche-stone" where "touche" means to test or examine.

Historical Usage:

The term "touchstone" originally referred to a dark, siliceous stone used to test the purity of gold or silver by rubbing against it. Over time, the word evolved to represent a metaphorical testing or judging tool.

Related Idioms:

Idiom:

"Pass the touchstone"

Explanation:

To meet the required standards or criteria for evaluation or judgment.

Misconceptions:

Misconception:

Confusing "touchstone" with "touch screen."

Explanation:

While the words may sound similar, "touchstone" refers to a criterion or standard, while "touch screen" refers to a screen that can be interacted with by touch.