mem·o·ra·ble 
(mĕmər-ə-bəl)
(mĕmər-ə-bəl)adj.
Worth being remembered or noted; remarkable: "One afternoon ... something memorable occurred, all the more stunning because it was so accidental, and unexpected, and embarrassing" (Willie Morris).
[Middle English, from Old French, from Latin memorābilis, from memorāre, to bring to remembrance, from memor, mindful; see (s)mer-1 in the Appendix of Indo-European roots.]
mem′o·ra·bili·ty n.
memo·ra·bly adv.