oneness(n = noun.attribute) unity - the quality of being united into one;
is a kind of identicalness, identity, indistinguishability
Derived form adjective one2
The state of being one; singleness in number; individuality; unity. [1913 Webster]
"Our God is one, or rather very oneness." [1913 Webster]
oneness, n.
1 the fact or state of being one; singleness.
2 uniqueness.
3 agreement; unity of opinion.
4 identity, sameness.
N unity, oneness, individuality, solitude, isolation, unification, one, unit, ace, individual, none else, no other, one, sole, single, solitary, unitary, individual, apart, alone, kithless, unaccompanied, unattended, solus, single-handed, singular, odd, unique, unrepeated, azygous, first and last, isolated, insular, monospermous, unific, uniflorous, unifoliate, unigenital, uniliteral, unijocular, unimodal, unimodular, lone, lonely, lonesome, desolate, dreary, insecable, inseverable, indiscerptible, compact, indivisible, atomic, irresolvable, singly, alone, by itself, per se, only, apart, in the singular number, in the abstract, one by one, one at a time, simply, one and a half, sesqui-, natura il fece, e poi roppe la stampa, du fort au faible, two souls with but a single thought, two hearts that beat as one.