| callous(verb, adjective, close, fix) |
| caseharden(verb, close, firm, harden) |
| cement(verb, close, fix, settle) |
| clabber(thicken, coagulate, clot, congeal) |
| close(verb, adjective, fix, settle) |
| compact(verb, close, fix, settle) |
| contract(verb, close, fix, decline) |
| crystallize(verb, close, fix, settle) |
| curdle(verb, close, fix, settle) |
| densify(verb, close, fix, settle) |
| firm(verb, adjective, close, fix) |
| fix(verb, close, settle, firm) |
| fortify(verb, close, fix, settle) |
| fossilize(verb, close, fix, settle) |
| gel(thicken, coagulate, clot, congeal) |
| gelate(thicken, coagulate, clot, congeal) |
| gelatinize(verb, thicken, coagulate, clot) |
| gird(verb, close, fix, settle) |
| jellify(thicken, coagulate, clot, congeal) |
| jelly(thicken, coagulate, clot, congeal) |