Noah Webster
Purity
PU'RITY, noun [Latin puritas, form purus.]
1. Freedom from foreign admixture or heterogeneous matter; as the purity of water, of wine, of spirit; the purity of drugs; the purity of metals.
2. Cleanness; freedom from foulness or dirt; as the purity of a garment.
The purity of a linen vesture.
3. Freedom from guilt or the defilement of sin; innocence; as purity of heart or life.
4. Chastity; freedom from contamination by illicit sexual connection.
5. Freedom from any sinister or improper views; as the purity of motives or designs.
6. Freedom from foreign idioms, from barbarous or improper words or phrases; as purity of style or language.