gustation

As nouns the difference between gustation and taste

is that gustation is the act of tasting while taste is one of the sensations produced by the tongue in response to certain chemicals (Wikipedia).

As a verb taste is

to sample the flavor of something orally.

As nouns the difference between gustation and palate

is that gustation is the act of tasting while palate is the roof of the mouth; the uraniscus.

As a verb palate is

to relish; to find palatable.

is likely misspelled.

has no English definition.

As a noun gustation

is the act of tasting.

As nouns the difference between gustation and guttation

is that gustation is the act of tasting while guttation is (botany) the exudation of drops of water from the leaves of some vascular plants as a result of root pressure.

As nouns the difference between gestation and gustation

is that gestation is the period of time during which an infant animal or human physically develops inside the mother's body until it is born while gustation is the act of tasting.