Sign away
Give away legal or property rights
Sign for
Write a signature on behalf on someone
Sign in
Register in a hotel
Sign into
Open a particular computer program that requires a name and password
Sign off
End a message
Sign off on
Give official approval
Sign on
Open a claim for unemployment benefit
Sign on with
Sign a document joining or agreeing to something
Sign out
Close a computer program that requires a name and password
Sign out of
Close a particular computer program that requires a name and password
Sign up
Give your name to do something
Sign with
Make a contract with