openness

noun

1. 1

   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

2. 2

   characterized by an attitude of ready accessibility (especially about one's actions or purposes); without concealment; not secretive

3. 3

   without obstructions to passage or view

   the openness of the prairies