Source : Webster's Revised Unabridged Dictionary (1913)

Spellbind \Spell"bind`\, v. t. [imp. & p. p. {Spellbound}; p.
   pr. & vb. n. {Spellbinding}.]
   To bind or hold by, or as if by, a spell or charm; to
   fascinate, esp. by eloquence of speech, as in a political
   campaign. -- {Spell"bind`er}, n.

Spellbound \Spell"bound`\, a.
   Bound by, or as by, a spell.

Source : WordNet®

spellbind
     v 1: to render motionless, as with a fixed stare or by arousing
          terror or awe; "The snake charmer fascinates the cobra"
          [syn: {fascinate}, {transfix}, {grip}]
     2: attract strongly, as if with a magnet; "She magnetized the
        audience with her tricks" [syn: {magnetize}, {mesmerize},
        {mesmerise}, {magnetise}, {bewitch}]
     3: put into a trance [syn: {entrance}]
     [also: {spellbound}]

spellbound
     adj : having your attention fixated as though by a spell [syn: {fascinated},
            {hypnotized}, {hypnotised}, {mesmerized}, {mesmerised},
            {transfixed}]

spellbound
     See {spellbind}