Worth remembering; remember to memorise
"You know that party we went to last week, I was so out of it but I found it a rememberable experience!"
Something that is easy to remember. Different from memorable, which means something _worth_ remembering.
Girl: What did you have for lunch?
Boy: The normal stuff.
Girl: Wow! How rememberable!
Something memorable worth remembering.
Shannon : hey, you ever had a really good memory that you always wanted to remember?
Steve: umm...sure, I guess. Why?
Shannon: I came up with a easier word for it.
Steve: yea? What's that?
Steve: ........ *facepalms*