Synonyms and related words :
Bohemianism, affability, casualness, common touch, cordiality, ease, easiness, easygoingness, familiarity, graciousness, homeliness, homeyness, informality, informalness, irregularity, looseness, naturalness, offhandedness, plainness, relaxedness, simplicity, sociability, unaffectedness, unceremoniousness, unconstrainedness, unconstraint, unconventionality, unpretentiousness