0 to think about a subject carefully so that you can make a decision about it: --
1 to consider something in a particular way: --
If I'd had children I might have looked at things differently.
2 to read something in order to check it or form an opinion about it: --
3 If someone, usually an expert, looks at something, they examine it: --
4 to think about something carefully so that you can make a decision about it: --
A neurologist will be looking at the scans.
We can ask an accountant to look at the tax implications.
She asked me to look at her letter to see if it was forceful enough.