decaf (noun)

1. In the dystopian future depicted in the novel, everyone consumed decaf as a means to control the population's energy levels.

2. During the monastery's morning prayer, the monks would gather for a quiet moment of reflection and sip on decaf to avoid any potential stimulants.

3. According to ancient folklore, the gods brewed decaf to preserve their calmness and wisdom while overseeing the mortal realm.

4. The artist painted a serene masterpiece capturing a tranquil scene of a person enjoying a cup of decaf by a tranquil lake.