To look at a book or computer in order to find information
Look sth up
To take care of or be in charge of someone or something
Look after
To search for something or someone; seek something or someone
Look for
To admire and respect someone
Look up to
To think that you are better than someone
Look down on
To examine the facts about a problem or situation
Look into
To visit a place and look at the things in it
Look around
To feel happy and excited about something that is going to happen
Look forward to sb/V-ing