continue, keep on, go on, proceed, retain, maintain, hold back, sustain, support, keep back, more...

discard, abandon, release, relinquish, surrender

maintain, preserve, sustain, retain, hold, more...

own, old, great, worth, central, scarce, massive, good, ancient, inner, rectangular

hold on to,   to store,   castle tower,   to retain,   castle part,   let go antonym,   maintain control,   hang on to,   stay in control,   has in store