a short theatrical performance that is part of a longer program
He did his act three times every evening. She had a catchy little routine. It was one of the best numbers he ever did.
source: WordNet 3.0
a set sequence of steps, part of larger computer program
source: WordNet 3.0
A round of business, amusement, or pleasure, daily or frequently pursued; especially, a course of business or offical duties regularly or frequently returning.
source: Webster 1913
adjective satellite
found in the ordinary course of events
A placid everyday scene. It was a routine day. There's nothing quite like a real...train conductor to add color to a quotidian commute.