trep·i·da·tion
ˌtrepəˈdāSH(ə)n/
noun
1.
a feeling of fear or agitation about something that may happen.
"the men set off in fear and trepidation"
synonyms:
fear, apprehension, dread, fearfulness, fright, agitation, anxiety, worry, nervousness, tension, misgivings, unease, uneasiness, foreboding, disquiet, dismay, consternation, alarm, panic; More