meliorism

The belief that the human condition can be improved through concerted effort.

The belief that there is an inherent tendency toward progress or improvement in the human condition.

The improvement of society by regulated practical means: opposed to the passive principle of both pessimism and optimism.

The doctrine that the world is neither the worst nor the best possible, but that it is capable of improvement: a mean between theoretical pessimism and optimism.

The doctrine that there is a tendency throughout nature toward improvement.

the belief that the world can be made better by human effort