v.tr.
1 a produce an effect on. b (of a disease etc.) attack (his liver is affected).
2 move; touch the feelings of (affected me deeply).
Usage:
Often confused with effect, which as a verb means 'bring about; accomplish'.
Derivatives:
affecting adj. affectingly adv.
Etymology: F affecter or L afficere affect- influence (as AD-, facere do)
2.
v.tr.
1 pretend to have or feel (affected indifference).
2 (foll. by to + infin.) pretend.
3 assume the character or manner of; pose as (affect the freethinker).
4 make a show of liking or using (she affects fancy hats).
Etymology: F affecter or L affectare aim at, frequent. of afficere (as AFFECT(1))
3.
n. Psychol. a feeling, emotion, or desire, esp. as leading to action.
Etymology: G Affekt f. L affectus disposition f. afficere (as AFFECT(1))
Useful english dictionary. 2012.