solid-

(Latin: whole; hence, "firm, sound")

solidarize
solidary
solidate
solidation
solidatively
solideme
solidifiable (adjective), more solidifiable, most solidifiable
1. Able to be hardened or set: Water is solidifiable and freezes when it is put into the freezer!
2. Inclined to become firmer and improbable to change: Jane thought that her relationship with Jim would become firmer and solidifiable if only they didn't live so far away from each other!
solidification
solidified
solidifier
solidiform
solidify
solidifying
solidiousness
solidipede