THESAURUS
solidify
abbreviate, add, adhere, agglomerate, amalgamate, assimilate, blend, body forth, bunch, cake, candy, circumscribe, clasp, cleave, clinch, cling, cling to, clot, cluster, coagulate, coalesce, coarct, cohere, combine, come together, compact, compound, compress, comprise, concentrate, concrete, concretize, condense, congeal, congest, conglomerate, connect, consolidate, constrict, constringe, contract, cram, cramp, crowd, crystallize, curtail, decrease, densen, densify, draw, draw in, draw together, dry, embody, embrace, encompass, entify, flux, freeze, freeze to, fuse, gel, granulate, grasp, grow together, hang on, hang together, harden, hold, hold on, hold together, hug, hypostatize, incarnate, include, incorporate, indurate, inspissate, integrate, interblend, interfuse, jam, jell, join, knit, lend substance to, lump together, make one, mass, materialize, meld, melt into one, merge, mix, narrow, persist, press, pucker, pucker up, pull together, purse, put together, ram down, reduce, reembody, reify, roll into one, set, shade into, shorten, squeeze, stay, stay put, stick, stick together, strangle, strangulate, sublime, syncretize, syndicate, synthesize, take a set, take hold of, thicken, unify, unite, wrinkle
ROGET THESAURUS
solidify
Density
VB
be dense, become solid, render solid,
solidify, solidate, concrete, set, take a set, consolidate, congeal, coagulate, curd, curdle, lopper, fix, clot, cake, candy, precipitate, deposit, cohere, crystallize, petrify, condense, thicken, gel, inspissate, incrassate, compress, squeeze, ram down, constipate.