noun

• A change of position.
• (military) A manoeuvre of troops or ships.
• (chiefly dance, sports) A turning movement, especially of the body.
• (obsolete) A turned or twisted shape; an involution, a complex or intricate shape.
• An unfolding.
• (now rare) The act or process of unfolding or opening out; the progression of events in regular succession.
• (geometry) The opening out of a curve; now more generally, the gradual transformation of a curve by a change of the conditions generating it.
• (mathematics, now chiefly historical) The extraction of a root from a given power.
• (chemistry) The act or an instance of giving off gas; emission.
• Process of development.
• Development; the act or result of developing what was implicit in an idea, argument etc.
• A process of gradual change in a given system, subject, product etc., especially from simpler to more complex forms.
• (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.