1. modus operandi, routine

an unvarying or habitual method or procedure

• modus operandi

2. act, bit, number, routine, turn

a short theatrical performance that is part of a longer program

Example Sentences:
'he did his act three times every evening'
'she had a catchy little routine'
'it was one of the best numbers he ever did'

• act
• bit
• number
• turn

3. function, procedure, routine, subprogram, subroutine

a set sequence of steps, part of larger computer program

• function
• procedure
• subprogram
• subroutine

4. everyday, mundane, quotidian, routine, unremarkable, workaday

found in the ordinary course of events

Example Sentences:
'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'

• everyday
• mundane
• quotidian
• unremarkable
• workaday