Emily Dickinson Lexicon

MAR-VEL-OUS, a. [Fr. merveilleux; It. marviglioso.]

1. Wonderful; strange; exciting wonder or some degree of surprise. This is the Lord's doing; it is marvelous in our eyes. Ps. cxviii.
2. Surpassing credit; incredible. Pope.
3. The marvelous, in writing, is that which exceeds natural power, or is preternatural; opposed to probable. Johnson.
4. Formerly used adverbially for wonderfully, exceedingly.