1. Memorable for being a special occasion
   "on red-letter nights a large gathering greeted the celebrity"

See also: unforgettable

• Alces alces
• alchemic
• alchemical
• alchemise
• alchemist
• alchemistic
• alchemistical
• alchemize
• alchemy
• Alcibiades
• Alcidae
• Alcides
• alcohol
• alcohol abuse
• alcohol addiction
• alcohol amnestic disorder
• alcohol group
• alcohol radical
• alcohol thermometer
• alcohol-dependent
• alcohol-in-glass thermometer
• alcohol-soluble
• alcoholic
• alcoholic abuse
• alcoholic beverage