informality
noun
[ ˌɪnfɔːˈmalɪti ]
• relaxed, friendly, or unofficial style or nature; absence of formality.
• "he enjoyed the informality of the occasion"
Similar:
lack of ceremony,
casualness,
unceremoniousness,
non-formality,
unpretentiousness,
homeliness,
cosiness,
ease,
ease of manner,
naturalness,
relaxedness,
approachability,
accessibility,
