Category Word game.
How to play:
i. Post a synonym or a word you think can be considered the same category from previous poster's word. For example, " sky > cloud ".
ii. Then post a new word for the next poster.
The game will look something like this;
Poster 1:
Sky.
Poster 2:
Sky > cloud
Pen.
Poster 3:
Pen > pencil.
Lake.
Let the game begin.

I'll start with:
Lake.