conceptional vs notional

conceptional and notional both are adjectives.

Word	Noun	Adjective	Verb	Adverb
conceptional	No	Yes	No	No
notional	No	Yes	No	No

As adjectives, conceptional and notional are synonyms defined as:

Other synonyms of conceptional include ideational.

conceptional (adjective)	notional (adjective)
being of the nature of a notion or concept	being of the nature of a notion or concept
	indulging in or influenced by fancy
	not based on fact or investigation
	not based on fact; existing only in the imagination