punctual

 
Pronunciation: /ˈpʌŋ(k)tʃʊəl, -tjʊəl/

adjective

  • 1happening or doing something at the agreed or proper time: he’s the sort of man who’s always punctual
  • 2 Grammar denoting or relating to an action that takes place at a particular point in time. Contrasted with durative.

Derivatives

punctuality

Pronunciation: /-ˈalɪti/
noun

Origin:

late 17th century: from medieval Latin punctualis, from Latin punctum 'a point'