Noun
1. understanding of the nature or meaning or quality or magnitude of something;
"he has a good grasp of accounting practices"2. delicate discrimination (especially of aesthetic values);
"arrogance and lack of taste contributed to his rapid success""to ask at that particular time was the ultimate in bad taste"3. an expression of gratitude;
"he expressed his appreciation in a short note"4. a favorable judgment;
"a small token in admiration of your works"5. an increase in price or value;
"an appreciation of 30% in the value of real estate"