proofing

(verb) make or take a proof of, such as a photographic negative, an etching, or typeset. Synonyms: proof.

(verb) knead to reach proper lightness. Synonyms: proof. Example: "Proof dough."

(verb) read for errors. Synonyms: proofread, proof. Example: "I should proofread my manuscripts."

(verb) activate by mixing with water and sometimes sugar or milk. Synonyms: proof. Example: "Proof yeast."

(verb) make resistant (to harm). Synonyms: proof. Example: "Proof the materials against shrinking in the dryer."