1. adulation exaggerated flattery or praise
  2. anovulation the absence of ovulation due to immaturity or post-maturity or pregnancy or oral contraceptive pills or dysfunction of the ovary
  3. devolution the process of declining from a higher to a lower level
  4. etiolation the act of weakening by stunting the growth or development of something
  5. involution the act of sharing in the activities of a group
  6. advection (meteorology) the horizontal transfer of heat or other atmospheric properties
  7. deflation the act of letting the air out of something
  8. evolution sequence of events involved in the development of a species
  9. ovulation the expulsion of an ovum from the ovary
  10. affiliation the act of becoming formally connected or joined
  11. defoliation the loss of foliage
  12. devaluation the reduction of something's value or worth
  13. evaluation the act of ascertaining or judging the quality of
  14. inflation the act of filling something with air
  15. adoration the act of admiring strongly
  16. avocation an auxiliary activity
  17. edification uplifting enlightenment
  18. absolution formal redemption as pronounced by a priest in penance
  19. adaptation the process of adjusting or conforming to new conditions
  20. adjuration a solemn and earnest appeal to someone to do something

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