something that causes wonder, admiration, or astonishment; a wonderful thing; a wonder or prodigy

The new bridge is an engineering marvel.

Archaic . the feeling of wonder; astonishment.

to wonder at (usually fol. by a clause as object)

I marvel that you were able to succeed against such odds.

to wonder or be curious about (usually fol. by a clause as object)

A child marvels that the stars can be.

to be filled with wonder, admiration, or astonishment, as at something surprising or extraordinary

I marvel at your courage.

noun

expectation

verb

expect

noun

curiosity , genius , miracle , one for the books , phenomenon , portent , prodigy , sensation , something else , stunner , whiz , astonishment , wonder , wonderment , amaze , amazement , awe , humdinger , mirabilia , phenomena

verb

be awed , be surprised , feel surprise , gape , gaze , goggle , stand in awe , stare , wonder , admire , astonish , astonishment , curiosity , miracle , portent , sensation , surprise