regular

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.”

A coffee with one cream and one sugar.

Anything that is normal or standard.

A member of a religious order who has taken the three ordinary vows.

A number for each year, giving, added to the concurrents, the number of the day of the week on which the Paschal full moon falls.

A fixed number for each month serving to ascertain the day of the week, or the age of the moon, on the first day of any month.

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

(of a polyhedron) Whose faces are all congruent regular polygons, equally inclined to each other.

Demonstrating a consistent set of rules; showing order, evenness of operation or occurrence.

Well-behaved, orderly; restrained (of a lifestyle etc.).

Happening at constant (especially short) intervals.

“He made regular visits to go see his mother.”

(grammar, of a verb, plural, etc) Following a set or common pattern; according to the normal rules of a given language.

“"Walked" is the past tense of the regular verb "to walk".”

Having the expected characteristics or appearances; normal, ordinary, standard.

Permanently organised; being part of a set professional body of troops.

Having bowel movements or menstrual periods at constant intervals in the expected way.

“Maintaining a high-fibre diet keeps you regular.”

Exemplary; excellent example of; utter, downright.

“a regular genius; a regular John Bull”

Having all the parts of the same kind alike in size and shape.

“a regular flower; a regular sea urchin”

Isometric.

Riding with the left foot forward.

(of a Borel measure) Such that every set in its domain is both outer regular and inner regular.

Regularly, on a regular basis.