giving form or shape to something, or taking form; development
I am convinced that … an unhappy childhood is essential for the formation of exceptional gifts — Thornton Wilder
something formed
new word formations
the manner in which a thing is formed or arranged; structure
(used as sing. or pl) a group of people or things arranged in some prescribed manner or for a particular purpose
a body or series of rocks represented as a unit in geological mapping
an arrangement of a group of people or things in some prescribed manner or for a particular purpose
(treated as sing. or pl) such a group
(used before a noun) done in a pattern or arrangement
formation dancing
formational adj