1) something added to, joining to, forming a part of, a larger thing (appendage)
2) a group of soldiers forming part of an army division (brigade)
3) ring of leaves (called sepals) forming the outer support of the petals of an unopened flower-bud (calyx)
4) forming part of, showing, the typical qualities or features (characteristic)
5) forming a climax (climatic)
6) (the process of) drops of liquid forming when vapour condenses (condensation)
7) a stone forming a corner of a foundation for a building (cornerstone)
8) (an act of) forming a political union of several states for control of foreign affairs, defence etc by the central (Federal) government but keeping regional (State) government for other things such as education (federation)
9) a row of bushes, shrubs or tall plants etc forming a boundary for field, garden etc (hedge)
10) a way of thinking, set of ideas, characteristic of a person, group etc, especially as forming the basis of an economic or political system (ideology)
the scientific study of how substances (elements) are made up, how they combine, how they act under different conditions
arrangement, arranging
having the power or right to make or alter a political constitution
component, part
something that is formed; a (style of) structure or arrangement
composition, establishment
(often used in compounds) the act of producing something
preparing
the act of organizing; an organized group of people (e.g. a business); organized system
arrangement, arranging
a combination of separate parts, elements, substances etc into a whole; that which results from this process
combining; combination