Rapport

Noun

 * 1) A relationship of mutual trust and respect.
 * He always tried to maintain a rapport with his customers.

Thesaurus
accord, accordance, addition, adjunct, affability, affairs, affiliation, affinity, agape, agreeability, agreeableness, agreement, alliance, amenity, amiability, amicability, amity, an in, approximation, assemblage, assent, association, bliss, blissfulness, bond, bonds of harmony, brotherly love, camaraderie, caritas, cement of friendship, charity, chorus, closeness, coherence, coincidence, combination, communion, community, community of interests, compatibility, complaisance, concert, concord, concordance, conformance, conformation, conformity, congeniality, congruence, congruency, congruity, connectedness, connection, consistency, consonance, consort, contiguity, contrariety, cooperation, cordiality, correspondence, dealings, deduction, disjunction, empathy, enjoyableness, equivalence, esprit, esprit de corps, favor, favorable regard, feeling of identity, felicitousness, fellow feeling, fellowship, filiation, frictionlessness, friendly relations, geniality, good graces, good terms, good understanding, good vibes, good vibrations, goodliness, goodness, goodwill, graciousness, happy family, harmoniousness, harmony, homology, identity, intercourse, intersection, intimacy, junction, kinship, liaison, like-mindedness, link, linkage, linking, love, mellifluousness, mellowness, mutual attraction, mutual regard, mutual understanding, mutuality, nearness, niceness, oneness, overlap, parallelism, peace, pleasance, pleasantness, pleasantry, pleasingness, pleasurability, pleasurableness, pleasure, pleasurefulness, propinquity, proximity, rapprochement, reciprocity, regard, relatedness, relation, relations, relationship, respect, self-consistency, sharing, similarity, solidarity, sweetness, symmetry, sympathy, symphony, sync, synchronism, tally, team spirit, tie, tie-in, timing, understanding, uniformity, union, unison, unisonance, unity, welcomeness