Adaptive

(Namespace: plural glossary)

Type of term	Possible origin of a system
Synonyms or near-synonyms	None, but significant overlap with stressgenic and traumagenic
Antonyms or near-antonyms	Agenic, cryptogenic, parogenic

An adaptive system is one which formed as an adaption to a scenario where being or remaining a singlet posed an existential threat. This includes most stressgenic and traumagenic systems, many neurogenic systems, and probably some systems scattered among other origins.