tr.v. af·fect·ed, af·fect·ing, af·fects
1. To have an influence on or effect a change in: Inflation affects the buying power of the dollar.
2. To act on the emotions of; touch or move.
3. To attack or infect, as a disease: Rheumatic fever can affect the heart.
1. Feeling or emotion, especially as manifested by facial expression or body language: “The soldiers seen on television had been carefully chosen for blandness of affect” (Norman Mailer).
2. Obsolete A disposition, feeling, or tendency.