To complete is to bring something to its full or intended measure, leaving nothing lacking. In the New Testament it can describe believers being fully equipped or attaining fullness.
Definition
To complete is to bring something to its full or intended measure, leaving nothing lacking. It may describe final attainment or being accurately fitted for a purpose.
Biblical Usage
The term describes believers as made full or attaining what is complete. It also describes the person of God who is accurately fitted or equipped for every good work.
Historical Bible Dictionaries
International Standard Bible Encyclopedia (ISBE)
<p>kom-plet': In the King James Version for pleroo, the verb ordinarily used for the coming to pass of what had been predicted. the King James Version translates this "complete" in Col 2:10; 4:12 to express the final and entire attainment of what is treated, leaving nothing beyond to be desired or hoped for; otherwise rendered in the Revised Version (British and American) ("made full"). In the Revised Version (British and American), c. appears once for Greek artios, from aro, "to join," in 2Ti 3:17, in sense of "accurately fitted for," where the King James Version has "perfect."</p>