Being full; completeness. / The degree to which a space is full. / (figuratively) The degree to which fate has become known.

plural of fullness

Containing the maximum possible amount that can fit in the space available. / Complete; with nothing omitted. / Total, entire. / Completely empowered, authorized or qualified (in some role); not limited.

(archaic) Fully; quite; very; thoroughly; completely; exactly; entirely.

Utmost measure or extent; highest state or degree; the state, position, or moment of fullness; fill. / (of the moon) The phase of the moon when its entire face is illuminated, full moon.

(of the moon) To become full or wholly illuminated.

(transitive) To baptise.

To make cloth denser and firmer by soaking, beating and pressing; to waulk or walk.

(idiomatic, euphemistic, derogatory) Minced oath of full of shit.

(nautical) Keeping the sails full and steering by the wind.