We don't have synonyms for appell yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are appeal, appall and appel.
°To depress or discourage with fear; to impress with fear in such a manner that the mind shrinks, or loses its firmness; to overcome with sudden terror or horror; to dismay; as, the sight appalled the stoutest heart.
"The house of peers was somewhat appalled at this alarum. --."
°To depress or discourage with fear; to impress with fear in such a manner that the mind shrinks, or loses its firmness; to overcome with sudden terror or horror; to dismay; as, the sight appalled the stoutest heart.
"The house of peers was somewhat appalled at this alarum. --."