Words

come by sth
to obtain something, using effort, by chance or in a way that has not been explained:
--Cheap organic food is still difficult to come by.
--I'd like to know how she came by that black eye.

to visit a place for a short time, often when you are going somewhere else:
--I'll come by (the office/your house) one day this week and we can have a chat.

autograph


a signature of a famous person:
--Did you get his autograph?

deliberate


(often of something bad) intentional or planned:
--We made a deliberate decision to live apart for a while.