The state of being self-confident / A measure of one's belief in one's own abilities

The abasement of oneself.

(usually figuratively) To destroy oneself. / To destroy or greatly damage one's position in a game, in one's work or career, in one's financial or social position, etc.

(of an oscillator in a group having different periods) To adjust its period to that of an average of the group.

self-satisfied congratulation of oneself for one's achievements or situation

(intransitive) To congratulate oneself, especially in a self-satisfied manner.

To use the normal launching method for a hang glider.

Alternative form of selfsame

Alternative form of selfsame

Having its own means of propulsion that moves with it.