Misplace
Definition 1 of 2
Pro Tip 1/3
Accidental Losing
Use 'misplace' when you've lost something unintentionally and you hope to find it. I must have misplaced my glasses somewhere in the house.
Pro Tip 2/3
Temporary Situation
'Misplace' often implies that the lost item might be recovered once its location is remembered. He had just misplaced his ticket and found it later in his book.
Pro Tip 3/3
Not Stolen
Use 'misplace' when an item is lost due to your own mistake, not taken by someone else. She misplaced her toy, it's not that someone stole it.