Regular
/ˈɹɛɡjʊlə/
noun
A member of the British Army (as opposed to a member of the Territorial Army or Reserve).
A frequent, routine visitor to an establishment.
“Bartenders usually know their regulars by name.”
A frequent customer, client or business partner.
“This gentleman was one of the architect's regulars.”
Synonyms: frequenter, habitué, patron, usual suspects
adjective
Bound by religious rule; belonging to a monastic or religious order (often as opposed to secular).
“regular clergy, in distinction from the secular clergy”
Having a constant pattern; showing evenness of form or appearance.
(of a polygon) Both equilateral and equiangular; having all sides of the same length, and all (corresponding) angles of the same size
Synonyms: absolute, thorough, unalloyed, basic, common, unremarkable, chaotic, in order
adverb
Regularly, on a regular basis.