imitation i.e. a) the act of seeking to follow the example of; a taking ofsomeone or something as one's model or pattern; b) acting the same as; a following the appearance of another; impersonation; c) (in art) reproduction in form, colour, etc.; act of making a duplicate or copy of: 2) the state, fact or quality of resembling; similarity of appearance or, sometimes, of character; likeness.

abstention from food; fasting.

a man abstaining from food.