(n.) The state or quality of being congenial; natural affinity; adaptation; suitableness.

accord accordance affability affinity agape agreeability agreeableness agreement amenity amiability amiableness amicability amicableness amity assent bliss blissfulness bonds of harmony brotherly love caritas cement of friendship charity chorus civility clubbability clubbishness clubbism coherence coincidence communicativeness communion community community of interests companionability compatibility complaisance concert concord concordance conformance conformation conformity congeneracy congruence congruency congruity connateness connaturality connaturalness connature consistency consonance consort cooperation cordiality correspondence courtesy empathy enjoyableness equivalence esprit esprit de corps familiarity family favor family likeness feeling of identity felicitousness fellow feeling fellowship fondness for society frictionlessness friendliness friendship generic resemblance geniality good vibes good vibrations goodliness goodness graciousness gregariousness happy family harmoniousness harmony hospitality identity intersection intimacy kindness kinship like-mindedness love mellifluousness mellowness mutuality neighborlikeness neighborliness niceness oneness overlap parallelism peace peaceableness pleasance pleasantness pleasantry pleasingness pleasurability pleasurableness pleasure pleasurefulness rapport rapprochement reciprocity self-consistency sharing sociability sociableness social grace sociality solidarity sweetness symmetry sympathy symphony sync synchronism tally team spirit timing understanding unhostility uniformity union unison unisonance unity urbanity welcomeness well-affectedness