the quality of being expansive or having a wide range

विस्तारशीलता

English Usage: His expansivity made him an engaging conversationalist, drawing people in with his broad interests.

Hindi Usage: उसकी विस्तारशीलता ने उसे एक आकर्षक वार्तालापकर्ता बना दिया, जिससे लोग उसके विस्तृत रुचियों से आकर्षित हुए।