finalize

This term carries a strong connotation of closure and officiality. It is most frequently employed in professional, legal, or administrative settings where a transition occurs from a state of negotiation or drafting to a state of permanence. It suggests the removal of all remaining ambiguities or pending changes.

While similar to complete or finish, this word specifically emphasizes the act of making something definitive. It is the preferred choice when describing the signing of a contract or the locking of a design, implying that no further modifications will be accepted.