This child is enthralled by something she sees.
An example of to enthrall is for a magician to have a group of children excitedly watching his every move.
transitive verben·thralled, en·thrall·ing, en·thralls
- To hold spellbound; captivate: The magic show enthralled us.
- To enslave.
Origin of enthrallMiddle English, to put in bondage : en-, causative pref.; see en–1 + thrall, slave; see thrall.
(third-person singular simple present enthralls, present participle enthralling, simple past and past participle enthralled)
en- + thrall ("to control another's mind, to enslave").