1) the act of uniting (coalition)
2) of or representing (the uniting of) the whole Christian world (ecumenical)
3) (a process of) mixing or uniting different things into one (fusion)
4) (an instance of) joining or uniting and being joined; a nation formed by joining a group of countries or states (union)
the total value of everything except one variable
cooperative
the state of being continuous
progression
willing to cooperate
joint, unified
(a process of) mixing or uniting different things into one
melding; mixture
joining together
joining together
(an instance of) joining or uniting and being joined; a nation formed by joining a group of countries or states
merger, joining