As a kid, Mom encouraged us to embrace language. We made using big words correctly a game of sorts and, when we kids impressed her with a properly-used, sometimes large and atypical word, she'd 'ooh' and 'aah' and say, "Now that's a great $10 word." I love when Mom tells me that, even if she's the same lady who teased me relentlessly for using the word 'slacks' instead of 'pants'. Oh well, you can't win them all, I suppose.
(P.S. There's always bonus points if you know how to spell them.)
(*edit: Added because Mom is right - it cannot be left off the list!)