In the following passage, choose the most suitable word for blank number (4).…

In the following passage, choose the most suitable word for blank number (4). This is a Meaning-Based Cloze Test, so the passage and all options are deliberately kept in English, as it is intended to test English-language skills:

It was a dappled three-storied house, away from the _____(1)_____ alleys of Benaras. There was a profound tranquillity about it. Set in the heart of a lush garden, you could stretch your arms from a window and caress a _____(2)_____ parrot. A small amphitheatre hosted many _____(3)_____ under the starlit sky. And then there was a room with elegant French windows – the taalim room. At least twenty men and women spent hours there, _____(4)_____ in their music. The sitar, slide guitar, vocals, sarod, santoor, tabla – all rising to the didactic call of Ravi Shankar, who sat on a raised platform, singing, playing his sitar, instructing. The Guru would sometimes smile, sometimes frown, but he would not relent until every single disciple who had gathered at Hemangana, from all over the world, had _____(5)_____ his every single musical utterance.

Fill in the blank (4).