retain

retain /rɪˈteɪn/ verb
retains; retained; retaining
retain
/rɪˈteɪn/
verb
retains; retained; retaining
Britannica Dictionary definition of RETAIN
[+ object] formal
1 
: to continue to have or use (something) : keep
2 
: to keep (someone) in a position, job, etc.
3 
: to pay for the work of (a person or business)
4 
: to keep (something) in your memory especially for a long period of time
5 
: to continue to hold (something, such as heat or moisture) as time passes