self-collected vs poised

self-collected and poised both are adjectives.

Word	Noun	Adjective	Verb	Adverb
self-collected	No	Yes	No	No
poised	No	Yes	No	No

As adjectives, self-collected and poised are synonyms defined as:

Other synonyms of self-collected include collected, equanimous, self-contained, self-possessed.

self-collected (adjective)	poised (adjective)
in full control of your faculties	marked by balance or equilibrium and readiness for action
	in full control of your faculties