to transfer (trains);  to change (bus, train);  to change (to another ideology, party, company, etc.);  to switch (to a different system, method, etc.);  to move on to (e.g. a new love interest)
 to exchange;  to swap;  to barter;  to replace;  to substitute
 to change;  to exchange;  to convert;  to renew;  to throw a switch;  to replace
 to buy a replacement;  to replace by buying something new
 to exchange (things);  to convert (currency);  to be in contrast (to);  to contrast (with)
 to replace;  to substitute;  to shift;  to change places
 to rearrange (classes);  to recompose;  to reset;  to recombine (genes)
 to exchange;  to swap;  to barter;  to replace;  to substitute
 to change way one holds something;  to transfer something from one hand to the other
 to remake;  to remold;  to remould;  to convert;  to reconstruct;  to adapt
 to rearrange (classes);  to recompose;  to reset;  to recombine (genes)
 to renew;  to replace;  to change for;  to attach anew
 to change;  to exchange;  to convert;  to renew;  to throw a switch;  to replace