whakatōnga, v.i. 1. Keep oneself quiet, restrain one's feelings.
2. Entertain feelings which one does not show outwardly. Kei te whakatonga riri koe?
3. Lurk, lie hid. Ma te kore atatanga e mau ai te whanako, i te tangata e huna ana, e whakatonga ana ki te hopu.
Williams Dictionary