take notice (of someone or something)
To become aware of, remember, focus on, or pay attention to someone or something. I thought Sally would sure take notice of me if I wore my new satin dress, but she didn't even look my direction when Visitors are reminded to take notice of local laws and customs. The tax laws are changing dramatically, and international businesses need to take notice.
take notice of someone or something
Fig. to notice the presence or existence of someone or something. They didn't take notice of me, so I left. I took notice of the amount of the bill.
take notice of
To pay attention to.