Wrapped up in oneself or in one's thoughts.

Acting of or by itself.

Distrust of, or lack of confidence in, oneself or in one's own powers.

Confiding in one's own judgment or powers; self-confident.

The exaltation of oneself.

Motion given by inherent powers, without external impulse.

Knowing of itself, or without the communication from another.

One's own opinion. / Exalted opinion of oneself; overweening estimate of oneself; self-conceit.

Valuing one's own opinion highly.

Conviction proceeding from one's own consciousness, knowledge, or confession.