#1 appreciate v. recognize with gratitude; be grateful for. wn
#2 appreciate v. [take account] be fully aware of; realize fully; "Do you appreciate the full meaning of this letter?". wn
#3 appreciate v. [prize, value, treasure] hold dear; "I prize these old photographs". wn
#4 appreciate v. [apprize, apprise, revalue] gain in value; "The yen appreciated again!". wn
#5 appreciate v. [apprize, apprise] increase the value of; "The Germans want to appreciate the Deutsche Mark". wn
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