ultimate

Final; last in a series.

[…] they [the sounds of an echo] next strike the ultimate secondary object, then the penultimate and antepenultimate; […]

Last in a word or other utterance.

Being the greatest possible; maximum; most extreme.

the ultimate pleasure

the ultimate disappointment

Being the most distant or extreme; farthest.

That will happen at some time; eventual.

The most basic or fundamental of a set of things

The final or most distant point; the conclusion

The greatest extremity; the maximum

Ellipsis of ultimate frisbee or ultimate disc.

To finish; to complete.

These measures have been carried forward with a zeal and unanimity that warrant the hope we entertain, of ultimating the plans in respect to our Temple, before the next meeting of the Maryland Association.