What term describes being dignified in behavior, speech, and dress?

The term that describes being dignified in behavior, speech, and dress is "decorum." Decorum refers to the standards of proper and polite behavior, which includes maintaining a sense of dignity and propriety in various contexts. This applies not only to how one dresses but also to how one interacts with others and presents oneself in social settings.

In the field of esthetics and personal care, demonstrating decorum is essential as it reflects professionalism and respect for clients and colleagues alike. Proper conduct in appearance and communication helps create a positive and trustworthy environment, making it a critical aspect of an esthetics instructor's role in modeling expected behaviors for students.

Etiquette, composure, and conduct have overlapping meanings, but they focus more on specific aspects of behavior rather than the comprehensive idea of maintaining dignity across various areas such as dress, speech, and actions.