WordReference Random House Unabridged Dictionary of American English © 2025
lus•trate
(lus′trāt),USA pronunciation v.t., -trat•ed, -trat•ing.
lus•tra′tion, n.
lus•tra•tive
(lus′trə tiv),USA pronunciation adj.
- to purify by a propitiatory offering or other ceremonial method.
- Latin lūstrātus, past participle of lūstrāre to purify, illumine. See luster1, -ate1
- 1615–25;
'lustration' also found in these entries (note: many are not synonyms or translations):