1. Of or pertaining to, or used for, purification; as, lustral days; lustral water 
2. Of or pertaining to a lustrum

Encyclopedia: Lustral

• deconstruction
• deconstructionism
• deconstructionist
• deconstructivism
• decontaminate
• decontamination
• decontrol
• decor
• decorate
• decorated
• decoration
• Decoration Day
• decorative
• decoratively
• decorativeness
• decorator
• decorous
• decorously
• decorousness
• decorticate
• decortication
• decorum
• decouple
• decoy
• decrease