lustrum
Roman census period
A lustrum is a period of five years.
The word comes from an ancient Roman purification ceremony performed every five years after the census.
In modern use, it appears mainly in formal or historical contexts: The university celebrated its fourth lustrum.
Plural: lustra or lustrums.
Sequential listing of items
- headcountTotal of individuals present
- populationAll inhabitants combined
- registrationFormal recording of participation
- assessmentFormal evaluation of worth
tabulation · Roman · censor · citizens · survey · demographics · registry · households
Removal of contaminants
- sacrificeGiving up something precious
- ceremonyFormal event marking occasions
- offeringSomething presented or given
- processionFormal moving line
priest · altar · expiation · atonement · cleansing · rite · sanctification · sacred
Spanning sixty months
- periodPunctuation ending sentences
- spanDistance between endpoints
- cycleRepeating sequence of events
- termFixed period or word
duration · timeframe · phase · epoch · era · decade · century · chronology
Recurring memorial date
- commemorationAct of honoring memory
- jubileeSpecial anniversary observance
- celebrationFestive event marking occasion
- landmarkNotable point of reference
benchmark · achievement · completion · culmination · progress · recognition · epoch · cornerstone
enumeration
Sequential listing of items
- headcountTotal of individuals present
- populationAll inhabitants combined
- registrationFormal recording of participation
assessment · tabulation · Roman · censor · citizens · survey · demographics · registry · households · socioeconomic
purification
Removal of contaminants
- sacrificeGiving up something precious
- ceremonyFormal event marking occasions
- offeringSomething presented or given
procession · priest · altar · expiation · atonement · cleansing · rite · sanctification · sacred · temple
five-year
Spanning sixty months
term · duration · timeframe · phase · epoch · era · decade · century · chronology · calendar
anniversary
Recurring memorial date
- commemorationAct of honoring memory
- jubileeSpecial anniversary observance
- celebrationFestive event marking occasion
landmark · benchmark · achievement · completion · culmination · progress · recognition · epoch · cornerstone
illustrate, illustration, illustrious, illustrated, illustrator, unlustrous, illustrating, illustrative, lustre