i-
inihal/ innihal,
mengi-
menginikal or menginihal/ manninihal/ enginihal,
may-
maynikal or maynihal/ emangkainihal/ iyaynihal
To make bright.
Dohatim i tawen menginihal na sekep.
Open the window to brighten the room.
Inihal moy kwadto say nat ontahot i nga-nga.
You turn on a light in the room so that the children will not be afraid.
To have clear understanding or thinking, as to have one's mind illuminated.
Enihalan may nemnem mo.
Your thinking has been enlightened (as in your understand clearly now).