Memories

not important or good enough to be remembered

to make someone remember something, or remember to do something

Something that is unforgettable is so good, interesting, etc. that you remember it for a long time.

your ability to remember things / something that you remember

If an occasion is memorable, you will remember it for a long time because it is so good.

to keep something in your mind, or bring it back into your mind

often forgetting things

to not remember something

to learn something so that you remember it exactly