Punctual

Punc"tu*al (?), a. [F. ponctuel (cf. Sp. puntual, It. puntuale), from L. punctum point. See Point.] 1. Consisting in a point; limited to a point; unextended. [R.] "This punctual spot." Milton.

The theory of the punctual existence of the soul.
Krauth.

2. Observant of nice points; punctilious; precise.

Punctual to tediousness in all that he relates.
Bp. Burnet.

So much on punctual niceties they stand.
C. Pitt.

3. Appearing or done at, or adhering exactly to, a regular or an appointed time; precise; prompt; as, a punctual man; a punctual payment. "The race of the undeviating and punctual sun." Cowper.

These sharp strokes [of a pendulum], with their inexorably steady intersections, so agree with our successive thoughts that they seem like the punctual stops counting off our very souls into the past.
J. Martineau.