n.
Pronunciation: ' w ə n-d ə r
Function: noun
Etymology: Middle English, from Old English wundor; akin to Old High German wuntar wonder
Date: before 12th century
1 a : a cause of astonishment or admiration : MARVEL <it's a wonder you weren't killed> <the pyramid is a wonder to behold> b : MIRACLE
2 : the quality of exciting amazed admiration
3 a : rapt attention or astonishment at something awesomely mysterious or new to one's experience b : a feeling of doubt or uncertainty