1.
make something simpler and more efficient
2.
a subtle difference or complexity
3.
ability to adapt or change easily
5.
socially acceptable behavior/rules
6.
too many unnecessary things
8.
reserve time for something
9.
handling many things at once
10.
repeated communication/discussion
11.
a common or essential part of something
12.
annoying because it invades privacy/space
13.
show off; brag subtly while pretending humility
14.
confirm attendance to an event