please vs pleasant

please is not an adjective while pleasant is an adjective.

Word	Noun	Adjective	Verb	Adverb
please	No	No	Yes	Yes
pleasant	No	Yes	No	No

please (adjective)	pleasant (adjective)
	affording pleasure; being in harmony with your taste or likings
	(of persons) having pleasing manners or behavior

please (verb)	pleasant (verb)
give pleasure to or be pleasing to
be the will of or have the will (to)
give satisfaction

please (adverb)	pleasant (adverb)
used in polite request