Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

intermittence; beat; oscillation &c 314; pulse, pulsation; rhythm; alternation, alternateness, alternativeness, alternity†. bout, round, revolution, rotation, turn, say. anniversary, jubilee, centenary. catamenia†, courses, menses, menstrual flux. [Regularity of return] rota, cycle, period, stated time, routine; days of the week; Sunday, Monday &c; months of the year; January &c; feast, fast &c; Christmas, Easter, New Year's day &c; Allhallows†, Allhallowmas†, All Saints' Day; All Souls', All Souls' Day; Ash Wednesday, bicentennial, birthday, bissextile†, Candlemas†, Dewali, groundhog day [U.S.], Halloween, Hallowmas†, Lady day, leap year, Midsummer day, Muharram, woodchuck day [U.S.], St. Swithin's day, natal day; yearbook; yuletide. punctuality, regularity, steadiness. V. recur in regular order, recur in regular succession; return, revolve; come again, come in its turn; come round, come round again; beat, pulsate; alternate; intermit. Adj. periodic, periodical; serial, recurrent, cyclical, rhythmical; recurring &c v.; intermittent, remittent; alternate, every other. hourly; diurnal, daily; quotidian, tertian, weekly; hebdomadal†, hebdomadary†; biweekly, fortnightly; bimonthly; catamenial†; monthly, menstrual; yearly, annual; biennial, triennial, &c; centennial, secular; paschal, lenten, &c regular, steady, punctual, regular as clockwork. Adv. periodically &c adj.; at regular intervals, at stated times; at fixed established, at established periods; punctually &c adj.. de die in diem [Lat.]; from day to day, day by day. by turns; in turn, in rotation; alternately, every other day, off and on, ride and tie, round and round.