THESAURUS
now and then
at infrequent intervals, at intervals, at odd times, at times, at various times, betimes, betweentimes, betweenwhiles, ever and again, ever and anon, every so often, here and there, now, occasionally, on divers occasions, on occasion, once and again, only occasionally, only when necessary, sometimes
ROGET THESAURUS
now and then
Frequency
N
frequency, oftness, oftenness, commonness, repetition, normality, example (conformity), routine, custom (habit), regularity, uniformity, constancy, clock-work precision, punctuality, even tenor, system, routine, formula, rule, keynote, standard, model, precedent, conformity, frequent, many times, not rare, thickcoming, incessant, perpetual, continual, steady, constant, thick, uniform, repeated, customary, (habit), regular (normal), according to rule, common, everyday, usual, ordinary, familiar, old-hat, boring, well-known, trivial, often, oft, ofttimes, oftentimes, frequently, repeatedly, unseldom, not unfrequently, in quick succession, in rapid succession, many a time and oft, daily, hourly, every day, every hour, every moment, perpetually, continually, constantly, incessantly, without ceasing, at all times, daily and hourly, night and day, day and night, day after day, morning noon and night, ever anon, invariably (habit), most often, commonly, sometimes, occasionally, at times,
now and then, from time to time, there being times when, toties quoties, often enough, when the mood strikes, again and again.