Resting stage refers to a period of inactivity or dormancy. There are several synonyms to describe this state. One of the most common synonyms for resting stage is "hibernation." Hibernation is a state of inactivity where animals slow down their metabolism to conserve energy. Another synonym for resting stage is "dormancy." Dormancy is a state of suspended growth or development in plants and animals. It is also used to describe a period of reduced activity in organisms during unfavorable conditions. "Quiescence" is another synonym for resting stage that refers to a state of inactivity in which an organism is temporarily suspended in a non-growth state. Overall, "resting stage" can be used interchangeably with these synonyms to describe a period of rest or inactivity in an organism.