unity
     n 1: an unreduced or unbroken completeness or totality [syn: {integrity},
           {wholeness}]
     2: the smallest whole number or a numeral representing this
        number; "he has the one but will need a two and three to
        go with it"; "they had lunch at one" [syn: {one}, {1}, {I},
         {ace}, {single}]
     3: the quality of being united into one [syn: {oneness}]
Source: WordNet® 2.0