memorable

adj

1. Worthy to be remembered; very important or remarkable.

   “a memorable holiday”

   “Men have surviving Fame to gain, By Tombs, by Books, by memorable Deeds”

   “But Mr. Hunt hated the character immediately -- Elmo wasn't edgy enough -- and, on one memorable morning, brought him into the Muppeteers' lounge "hanging by the rods," the chopsticklike bars that control his paws.”

noun

1. Something interesting enough to be remembered.

   “These were all the memorables of our visit to Dumbarton Castle, which is a most interesting spot, and connected with a long series of historical events.”