Rupa Goswami defines bhāva, part I

We now examine the definition of bhāva by Sri Rupa Goswami. As a reminder, bhāva is the sādhya or goal of sādhanā bhakti. Sri Rupa Goswami defines bhāva as follows:
śuddha-sattva-viśeṣātmā prema-sūryāṁśu-sāmya-bhāk | rucibhiś citta-māsṛṇya-kṛd asau bhāva ucyate ||