perspicuousness(n = noun.attribute) perspicuity, plainness - clarity as a consequence of being perspicuous;
is a kind of clarity, clearness, limpidity, lucidity, lucidness, pellucidity
Derived form adjective perspicuous₁

N  perspicuity, perspicuousness, plain speaking, definiteness, definition, exactness, explicitness, lucidness, lucid, explicit, exact.