openness

nouns

without obstructions to passage or view
"the openness of the prairies"
is derived from
is a type of (narrower)
the property possessed by an array of things that have space between them
characterized by an attitude of ready accessibility (especially about one's actions or purposes); without concealment; not secretive
is derived from
is derived from
antonym
willingness or readiness to receive (especially impressions or ideas)
"he was testing the government's receptiveness to reform"; "this receptiveness is the key feature in oestral behavior, enabling natural mating to occur"; "their receptivity to the proposal"
is derived from
is derived from