Source : Webster's Revised Unabridged Dictionary (1913)

Marvel \Mar"vel\, v. i. [imp. & p. p. {Marveled}or {Marvelled};
   p. pr. & vb. n. {Marveling} or {Marvelling}.] [OE. merveilen,
   OF. merveillier.]
   To be struck with surprise, astonishment, or wonder; to
   wonder.

         Marvel not, my brethren, if the world hate you. --1
                                                  john iii. 13.