Definition of "attune"
attune
/əˈtjuːn/
verb
third-person singular simple present attunes, present participle attuning, simple past and past participle attuned
(music, transitive) To tune (an instrument).
third-person singular simple present attunes, present participle attuning, simple past and past participle attuned
(music, transitive) To tune (an instrument).