noun
1.
the condition of being or consisting of one
unity -- the idea conveyed by whatever we visualize as one thing
Synonyms: individuality, oneness, singleness, singularity, singularness
Related Word: identity, selfsameness, soleness, uniqueness, uniquity
Antonyms: multiplicity
2.
Synonyms: harmony 3, concord, rapport
Related Word: agreement, identity, oneness, union; solidarity; conformance, congruity
Antonyms: disunity