mne·mon·ic
Pronunciation: ni-‘män-ik
Function: adjective
1 : assisting or intended to assist memory; also : of or relating to mnemonics
2 : of or relating to memory —mne·mon·i·cal·ly /-i-k(&-)lE/ adverb

mnemotechnic

adj : of or relating to or involved the practice of aiding the memory; “mnemonic device”