sunset cycle oscillation pulsation happening migration tide natural event recurrent event occurrence repetition pulse heartbeat sunrise beat occurrent repeat

daily half-yearly semimonthly diurnal yearly fortnightly weekly bimonthly monthly day-after-day semiweekly hourly oscillatory nightly biennial half-hourly biweekly semestrial triennial cyclic periodical biyearly midweekly annual biannual semestral semiannual oscillating day-to-day bimestrial day-by-day hebdomadary hebdomadal

sporadic occasional

zap act makeup migration deed nonevent natural event group action human action social event might-have-been psychological feature occurrent happening miracle occurrence human activity make-up

circumstance case

byproduct outgrowth phenomenon coattails effect materialization placebo effect dent product offshoot spillover brisance influence offspring domino effect reverberation wallop repercussion bandwagon effect aftermath backwash knock-on effect consequence position effect by-product materialisation fallout branch offset side effect result butterfly effect aftereffect change Coriolis effect issue wake outcome impact response effect harvest upshot

physical phenomenon