olvidar
forget
oblivion
the state of being forgotten
+
-ar
verb suffix
Olvidar means to forget and can be remembered by thinking of the English word oblivion0 (the state of being forgotten0) + -ar1 (verb suffix1).
verb
  1. forget
    To forget or fail to remember
    No olvides hacer tu tarea. // Don't forget to do your homework.