For economists, the word "utility" means

A) versatility and flexibility.
B) rationality.
C) pleasure or satisfaction.
D) purposefulness.

Utility

A measure of satisfaction or happiness that a consumer receives from consuming goods and services.

Pleasure

A feeling of happiness, enjoyment, or satisfaction derived from an experience or activity.

Satisfaction

The fulfillment of one's wishes, expectations, or needs, or the pleasure derived from this.