ANNIVERSARY
ADJECTIVES
► ANNIVERSAL relating to an anniversary → 1641
► QUINCENTENNIAL pert. to a 500th anniversary → 1884
NOUNS
► ANNIVERSAL an anniversary; the annual occurrence of a noteworthy date → 1635
► ANNIVERSE an anniversary → 1625 obs.
► DECENNIAL a 10th anniversary or its celebration → 1889
► OCTINGENTENARY a 800th anniversary of an event → 1893
► OCTOCENTENARY a 800th anniversary of an event → 1889
► QUADRENNIAL a 4th anniversary, or its celebration; an event happening every four years → 1856
► QUADRICENTENNIAL a 400th anniversary → 1882
► QUATER-CENTENARY a 400th anniversary, or the celebration of this → 1883
► QUINCENTENARY a 500th anniversary or the celebration of this → 1879
► QUINGENARY a 500th anniversary or the celebration of this → 1926
► QUINGENTENARY a 500th anniversary or the celebration of this → 1884
► QUINQUAGENARY a 50th anniversary → 1588
► SILVER BRIDAL a 25th wedding anniversary; silver marriage → 1624 obs.
► SILVER FEAST a 25th wedding anniversary; silver wedding → 1796
► YEAR-DAY an anniversary; a day observed every year in commemoration of a person or event → 1390 obs. exc. Hist.
Lexicophilia 