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Affective vs. effective. Affective is an adjective meaning influenced by emotions or arousing emotions. It is roughly synonymous with emotional. Itâs used mainly in psychology, where affective disorders are conditions characterized by emotional problems or mood disturbances, though it does appear occasionally outside psychology.
Effective date. An effective date or as of date is the date upon which something is considered to take effect, which may be a past, present or future date. This may be different from the date upon which the event occurs or is recorded.