Resonant (adjective)

1. Having or producing a deep, full, ringing sound.
2. Having a quality that elicits a similar response, feeling, or emotion in others.
3. Having a strong or memorable effect.

Origin:

Mid 16th century: from latin resonant- "resounding", from the verb resonare.

Examples:

1. The resonant voice of the singer filled the concert hall.
2. The resonant music had a profound effect on the audience.
3. The resonant sound of the bell echoed through the valley.
4. The resonant quality of the speaker's words touched the hearts of the listeners.
5. The resonant image of the flag was a powerful symbol of national unity.