1. the standard of day-after-day functioning in jobs that is needed for someone to satisfy very common positions in their community, such as keeping up independence and fulfilling social desires about individual and cultural duty. Certain classes that are typically evaluated consist of self help, movement, health and well-being, correspondence, household abilities, consumer abilities, local community work, useful educational abilities, and trade abilities. Restrictions in regards to adaptive behavior are included in the set of guidelines for identification or categorization of mental retardation. 2. just about any behavior that allows a person to conform to their surroundings the right way and thoroughly. Reference: adaptive act- adjustment process.