The altering of an Entity or lineage of Entities as a learned response to the environment.
In modern culture, Evolution often refers to Biological Evolution. In this philosophy, Evolution is how an Entity changes in response to it's context.
Cultural Definition
Accumulation of change. "Among other forms of change, the evolution of transportation has involved modification, diversification, convergence, divergence, hybridization, differentiation, and naturally, selection."
(general) Gradual directional change especially one leading to a more advanced or complex form; growth; development. "The evolution of the universe began with a bang."
(biology) The change in the genetic composition of a population over successive generations.
(chemistry) The act or an instance of giving off gas; emission.
(mathematics) The extraction of a root from a quantity.
(military) One of a series of ordered movements.
(dance, sports) A turning movement of the body.
In biology, evolution is change in traits of a population of organisms over time (due to a number of mechanisms and processes).
Introduction to Evolution (Wikipedia)
Biological Evolution (Wikipedia)
Spiritual Evolution (Wikipedia)
Universal Evolution (Wikipedia)
Technological Evolution (Wikipedia)
Evolutionary Algorithm (Wikipedia)
Pattern Expression
Evolution is a pattern that is applicable anywhere in Existence.