to keep a person, fact, or event from the past in your mind
I still remember the smell of my grandmother’s kitchen.
Do you remember where you put the keys?
✦ From Latin rememorārī “to recall to mind,” from re- (“again”) + memor (“mindful”).
to keep something in mind so that you do not forget to do it later
Please remember to lock the door when you leave.
She writes notes so she can remember her appointments.
✦ Sense development from "to recall" toward "to keep in mind for future action" appeared in English by the 14th century.
to pass on greetings or good wishes to someone
Please remember me to your parents.
He said to remember him to all his old colleagues.
✦ This polite sense dates back to the 16th century, from the idea of “calling someone to mind” in another’s presence.