Correct spelling for the English word "insonate" is [ɪnsˈɒne͡ɪt], [ɪnsˈɒneɪt], [ɪ_n_s_ˈɒ_n_eɪ_t] (IPA phonetic alphabet).
The word insonate is a verb derived from the Latin word insonare, which is a combination of the prefix in- (meaning into or upon) and the verb sonare (meaning to sound). Therefore, insonate essentially means to cause to sound or to resonate.