Appreciate means to value something. It also means to be thankful of what you have.
by JS FAN FOREVER October 14, 2017
a term of polite rejection used by prospective employers, girlfriends and perhaps other people whose approval you seek. It generally means "I really don't give a crap, but objectively speaking, I suppose it's possible that someone else might."
"I can appreciate the fact that you have strong feelings for me..."

"I appreciate what you're trying to do with this story."
by /\/ July 3, 2005
A pejoritive for the phrase "go down on him/her" ... In replace of "to give oral pleasure to"
My girlfriend doesn't appreciate me...
Doesn't everyone wish they got a little more appreciation now and then....
Maybe if you appreciated her more you'd get a little more respect...(see definition of "respect" by Murray)
by Murray December 24, 2003
ap·pre·ci·a·tion   uh-pree-shee-ey-shuhn

noun
1.
gratitude; thankful recognition: They showed their appreciation by giving him a gold watch.
2.
the act of estimating the qualities of things and giving them their proper value.
3.
clear perception or recognition, especially of aesthetic quality: a course in art appreciation.
4.
an increase or rise in the value of property, goods, etc.
5.
critical notice; evaluation; opinion, as of a situation, person, etc.
I HAVE COME TO FIND OUT THAT SOMETIMES I GET NO appreciation FOR THINGS I HAVE DONE OR I DO
by sturgeon bait January 31, 2012
an overwhelming feeling of gratitude - for example when someone uber generously gives you some music off their ipod.. and a fair bit resultant love goes into that word too.
The appreciativeness I feel right now is unreal - my ipod's got new va-va as my Romeo gave me some new music - and new life.
by The Mamma with the Quan November 14, 2007
It's like thank you, but on steroids
Dealer: here's your weed

Dude: thanks, I appreciate it
by Obama Bin Hitler June 18, 2017