acknowledge
US /əkˈnɑː.lɪdʒ/
UK /əkˈnɑː.lɪdʒ/

1.
2.
reconhecer, cumprimentar
show that one has noticed or recognized (someone or something) by an act, gesture, or remark
:
•
He didn't even acknowledge my presence.
Ele nem sequer reconheceu minha presença.
•
The driver acknowledged the pedestrian with a nod.
O motorista cumprimentou o pedestre com um aceno de cabeça.