A fearful state; a state of concern or hesitation. Example: I decided, with considerable trepidation, to let him drive my car without me.
An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear; quaking; quivering.
A libration of the starry sphere in the Ptolemaic system; a motion ascribed to the firmament, to account for certain small changes in the position of the ecliptic and of the stars.
All clues having "TREPIDATION"
for an answer:
You can find a list of possible crossword clues for TREPIDATION below.