have or retain possession of.
my father would keep the best for himself
continue or cause to continue in a specified condition, position, course, etc..
she could have had some boyfriend she kept quiet about
provide for the sustenance of (someone).
he had to keep his large family in the manner he had chosen
honor or fulfill (a commitment or undertaking).
I'll keep my promise, naturally
make written entries in (a diary) on a regular basis.
the master kept a weekly journal