Noun

(wikipedia emotion) (en noun)

A person's internal state of being and involuntary physiological response to an object or a situation, based on or tied to physical state and sensory data.

* , chapter=5

, title= The Mirror and the Lamp , passage=He was thinking; but the glory of the song, the swell from the great organ, the clustered lights, […], the height and vastness of this noble fane, its antiquity and its strength—all these things seemed to have their part as causes of the thrilling emotion that accompanied his thoughts.}}

A reaction by an non-human organism with behavioral and physiological elements similar to a person's response.

Noun

(-)

A fearful state; a state of hesitation or concern.

I decided, with considerable trepidation , to let him drive my car without me.

* 1929 , , Chapter VII, Section vi

She opened the drawing-room door in trepidation . Would she find Esther drowned with her head in the goldfish bowl, or hanged from the chandelier by her stay-lace?

* {{quote-news

, year=2011 , date=December 10 , author=Marc Higginson , title=Bolton 1 - 2 Aston Villa , work=BBC Sport citation , page= , passage=The Midlanders will hope the victory will kickstart a campaign that looked to have hit the buffers, but the sense of trepidation enveloping the Reebok Stadium heading into the new year underlines the seriousness of the predicament facing Owen Coyle's men.}}

An involuntary trembling, sometimes an effect of paralysis, but usually caused by terror or fear; quaking; quivering.

(astronomy, obsolete) 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.