The amount of homework decreased towards the end of the semester. The cabin pressure fell dramatically. Her weight fell to under a hundred pounds. His voice fell to a whisper.
source: WordNet 3.0
make smaller
He decreased his staff.
source: WordNet 3.0
wear off or die down
The pain subsided.
source: WordNet 3.0
To make less; to reduce; to make smaller, or fewer; to diminish; to lower; to degrade; as, to lessen a kingdom, or a population; to lessen speed, rank, fortune.
source: Webster 1913
To become less; to shrink; to contract; to decrease; to be diminished; as, the apparent magnitude of objects lessens as we recede from them; his care, or his wealth, lessened.
