Sunteleo denotes bringing a period, set of events, or declared matter through to its intended finish.

The attested usage most often concerns a defined span or sequence reaching its endpoint, including days, temptations, and “all these things.” It also occurs in declarations concerning the future establishment of a covenant and the Lord’s action upon his word.

1. Reaching the end of a period or sequence · dominant

   In Acts 21:27, the present passive infinitive occurs as seven days are about to reach their endpoint; the APB renders the clause “were about to be completed.” In Luke 4:2 and Luke 4:13, aorist participles mark the completion of the days and of every temptation, while Mark 13:4 uses the present passive infinitive for the time when “all these things” are to reach their completion.

   Acts 21:27Luke 4:2Luke 4:13Mark 13:4
2. Bringing a declared matter to fulfillment · common

   In Hebrews 8:8, the first-person future active form stands in the Lord’s declaration concerning a new covenant with Israel and Judah; the APB renders the surrounding clause “I will establish a new covenant.” In Romans 9:28, the present active participle appears in the statement that the Lord will carry out his word upon the earth, which the APB renders “completing and cutting short.”

   Hebrews 8:8Romans 9:28

In the Anselm Project Bible: The APB uses “completed” for days, temptations, and the sequence in Mark 13:4, and “completing” in Romans 9:28. In Hebrews 8:8 it renders the surrounding future covenant clause as “I will establish a new covenant”; That wording cannot by itself isolate the term’s contribution.