List of gain upon synonyms and gain upon related words.
accost, advance, approach, appropinquate, approximate, bear down on, bear down upon, bear up, catch up with, close, close in, close with, come, come closer, come forward, come near, come on, come up, come up to, come up with, confront, draw near, draw nigh, encounter, gain on, lap, leave behind, leave standing, narrow the gap, near, outpace, outrun, outsail, outstrip, overhaul, overtake, pass, proximate, sidle up to, step up