That which causes musing; bewilderment, puzzlement, confusion. Also: an instance of this. Obsolete.

The fact or state of being lost in thought or daydreaming.

Lack of awareness of or concentration on what is happening around one; absence of mind. Cf. abstraction, n. 5.

Inattention; failure to concentrate; mental preoccupation or abstraction; an instance of this. Frequently in absence of mind.

The state or condition of being preoccupied or engrossed by something; mental absorption; an instance of this. Frequently with with.

The quality or state of being absent in mind; distractedness, absent-mindedness.

Lack of awareness of or concentration on what is happening around one; absence of mind; a state of mental preoccupation. Cf. abstractedness, n. 4.

Inadvertence. Chiefly in by misadvertence: inadvertently; through lack of attention.

The state of being absent or ‘not there’; (also) spec. the state of seeming absent or disconnected from immediate reality; preoccupation.

A state of being out of touch with reality; a (notional) place characterized by blissful unawareness, self-absorption, fantasy, etc.