Merriam-Webster's Collegiate® Dictionary, 11th Edition
WONDER
I. noun
Etymology: Middle English, from Old English wundor; akin to Old High German wuntar wonder Date: before 12th century
1. a cause of astonishment or admiration ; marvel , miracle , the quality of exciting amazed admiration,
3. rapt attention or astonishment at something awesomely mysterious or new to one's experience, a feeling of doubt or uncertainty,
II. verb (wondered; wondering) Date: before 12th century intransitive verb
1. to be in a state of wonder, to feel surprise, to feel curiosity or doubt , transitive verb to be curious or in doubt about , wonderer noun
III. adjective
Date: 12th century
wondrous , wonderful : as, exciting amazement or admiration , effective or efficient far beyond anything previously known or anticipated