Complementing Meaning / Definitions

A quantity sufficient to satisfy.
- usage: "he ate his fill of potatoes"; "she had heard her fill of gossip"
Any material that fills a space or container.
- usage: "there was not enough fill for the trench"
- synonyms: filling

Make full, also in a metaphorical sense.
- usage: "fill a container"; "fill the child with pride"
- synonyms: fill up, make full
Become full.
- usage: "The pool slowly filled with water"; "The theater filled up slowly"
- synonyms: fill up
Occupy the whole of.
- usage: "The liquid fills the container"
- synonyms: occupy
Assume, as of positions or roles.
- usage: "She took the job as director of development"; "he occupies the position of manager"; "the young prince will soon occupy the throne"
- synonyms: take, occupy
Fill or meet a want or need.
- synonyms: meet, satisfy, fulfill, fulfil
Appoint someone to (a position or a job. )
Eat until one is sated.
- usage: "He filled up on turkey"
- synonyms: fill up
Fill to satisfaction.
- usage: "I am sated"
- synonyms: satiate, sate, replete
Plug with a substance.
- usage: "fill a cavity"

(n.) One of the thills or shafts of a carriage.
(v.t.) A full supply, as much as supplies want; as much as gives complete satisfaction.
(a.) To trim (a yard) so that the wind shall blow on the after side of the sails.
(a.) To press and dilate, as a sail; as, the wind filled the sails.
(a.) To possess and perform the duties of; to officiate in, as an incumbent; to occupy; to hold; as, a king fills a throne; the president fills the office of chief magistrate; the speaker of the House fills the chair.
(a.) To furnish an abudant supply to; to furnish with as mush as is desired or desirable; to occupy the whole of; to swarm in or overrun.
(a.) To make full; to supply with as much as can be held or contained; to put or pour into, till no more can be received; to occupy the whole capacity of.
(v.i.) To fill a cup or glass for drinking.
(a.) To fill or supply fully with food; to feed; to satisfy.
(a.) To supply with an incumbent; as, to fill an office or a vacancy.
(a.) To make an embankment in or raise the level of (a low place), with earth or gravel.
(v.i.) To become full; to have the whole capacity occupied; to have an abundant supply; to be satiated; as, corn fills well in a warm season; the sail fills with the wind.
(n.) That which fills; filling; specifically, an embankment, as in railroad construction, to fill a hollow or ravine; also, the place which is to be filled.

Webster's Revised Unabridged Dictionary

Fill is an executed order; sometimes the term refers to the price at which an order is executed.

Complementing and Fill