BATID

batid
known, aware of

Batid ko ang lahat tungkol sa iyo.
I know everything about you.

*kabatiran
information

ipabatid
inform

Ipabatid sa lahat!
Inform everyone!
Tell everyone!

mabatid
to be informed


The word batid is slightly formal.

The common Tagalog word for 'to know' is alam.

*The common Filipino word for 'information' is impormasyon.