1) Capable of being effaced 2) Easy to get rid of 3) Easy to undo 4) Easy to wipe clean 5) Effaceable 6) Eradicable 7) Impermanent 8) Like a chalkboard 9) Like a whiteboard 10) Like CD-RW discs 11) Like chalk on a chalkboard 12) Like pencil but not pen 13) Like pencil marks 14) Like slates and hard drives 1) Effaceable 2) Eradicable 
• (a.) Capable of being erased.
E·ras'a·ble adjective Capable of being erased.