Lentia refers to the ability of a substance to resist deformation or flow. There are several synonyms that can be used to convey this meaning, depending on the context. The word "viscosity" is often used to refer to the lentia of a liquid. "Thickness" is another synonym that can be used to describe the lentia of a substance. "Density" is another term that can be used to describe the lentia of a material, especially in the context of how tightly packed its particles are. "Consistency" is yet another synonym that can be used to describe the lentia of a substance, and it refers to how easily it can be manipulated.