Pick one: euphonic, mnemonic.

No need to be sardonic. 'Tis just a node, 'tis not canonic! Unless you have something nice to say, be aphonic. It's better to be harmonic (or even catatonic) than chronically anionic.

You know he meant "mnemotechnic"...

-sauoq
"My two cents aren't worth a dime.";