to stay with someone to make sure they’re safe
Look after
to find a word in a book or on the computer to learn its meaning
Look up
to walk around the place looking at things
Look round
to wait for sth, feel excited about something that is going to happen in the future
Look forward to
to try to find out about something
Look into
to search
Look for
to think about what will happen in the future
Look ahead
to have respect for someone
Look up to