1. a person who marvels; one who feels or expresses wonder or astonishment
Usage: somewhat literary or formal; less common than 'marvel' as a verb or noun

Examples

• The marveller stood speechless before the grand cathedral.
• As a child, she was a marveller at every new discovery in nature.
• The tourists were marvellers, taking in the beauty of the ancient ruins.
• He remained a marveller throughout his life, always curious and amazed by the world.