after a while

:  following in time or place :  afterward, behind, later

:  behind in place

:  subsequent to in time or order

:  subsequent to and in view of

:  subsequently to the time when

:  later in time

:  located toward the rear and especially toward the stern of a ship or tail of an aircraft

: used with a present participle to indicate action completed and especially just completed

:  afternoon

:  a period of time especially when short and marked by the occurrence of an action or a condition :  time

:  the time and effort used (as in the performance of an action) :  trouble

:  during the time that

:  as long as

:  when on the other hand :  whereas

:  until