Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun laxation

2 senses of laxation

Sense 1
defecation, laxation, shitting -- (the elimination of fecal waste through the anus)
       => elimination, evacuation, excretion, excreting, voiding -- (the bodily process of discharging waste matter)

Sense 2
loosening, laxation -- (the act of making something less tight)
       => alteration, modification, adjustment -- (the act of making something different (as e.g. the size of a garment))