Definition of evolutions:
(n) :
Process of development.
(n) :
A process of gradual change in a given system, subject, product etc., especially from simpler to more complex forms.
(n) :
(biology) The transformation of animals, plants and other living things into different forms (now understood as a change in genetic composition) by the accumulation of changes over successive generations.
(n) :
Development; the act or result of developing what was implicit in an idea, argument etc.
(n) :
An unfolding.
(n) :
(military) A manoeuvre of troops or ships.