1. appreciation
I have a real appreciation for anyone who takes the time to learn another language.
A smile may convey understanding, joy, or an appreciation of humor.
in appreciation of sth
Children rarely show any appreciation of/for what their parents do for them.
Now look here, we've risked life and limb for you. At least you can show a little appreciation.
The yen's appreciation accelerated the decline of that company.
He sent me a letter of appreciation.
Then the guest of honor opens them and expresses his or her appreciation.
an insufficient appreciation of the scarcity of resources
an insufficient appreciation of the scarcity of resources leads to soil exhaustion, erosion, an interference with nature's ability to generate itself
His appreciation of art increased as he grew older
Alaska inspired in me an appreciation of nature.
The crowd cheered in appreciation. There has been little appreciation in the value of property recently.
My heartfelt appreciation goes to all my friends and colleagues.
I don't know if you'd call it a hobby, but to stretch it a little, you could say music appreciation is my hobby.