Mnemonic

[ ni-mon-ik ]

noun

1. a device such as a pattern of letters, ideas, or associations that assists in remembering something

adjective

1. aiding or designed to aid the memory

Examples of mnemonics in a sentence:

• She had a difficult time remembering names, so she made up mnemonics based on facial features.  
• The new employee training was basically a mnemonic for company procedures.