simulate

As a verb simulate

is to model, replicate, duplicate the behavior, appearance or properties of.

As an adjective simulate

is (obsolete) feigned; pretended.

As a noun stimulation is

a pushing or goading toward action.

Ista is likely misspelled.

Ista has no English definition.

As a verb simulate

is to model, replicate, duplicate the behavior, appearance or properties of.

As an adjective simulate

is feigned; pretended.

In obsolete|lang=en terms the difference between simulate and mask

is that simulate is (obsolete) feigned; pretended while mask is (obsolete) a dramatic performance, formerly in vogue, in which the actors wore masks and represented mythical or allegorical characters.

As verbs the difference between simulate and mask

is that simulate is to model, replicate, duplicate the behavior, appearance or properties of while mask is to cover, as the face, by way of concealment or defense against injury; to conceal with a mask or visor or mask can be to mash or mask can be to bewilder; confuse.

As an adjective simulate

is (obsolete) feigned; pretended.

As a noun mask is

a cover, or partial cover, for the face, used for disguise or protection or mask can be a mesh or mask can be mash.

As adjectives the difference between simulate and simulable

is that simulate is feigned; pretended while simulable is capable of being simulated.

As a verb simulate

is to model, replicate, duplicate the behavior, appearance or properties of.

As adjectives the difference between simulate and unsimulable

is that simulate is feigned; pretended while unsimulable is that cannot be simulated.

As a verb simulate

is to model, replicate, duplicate the behavior, appearance or properties of.

In obsolete terms the difference between simulate and assimulate

is that simulate is feigned; pretended while assimulate is to feign; to counterfeit; to simulate.

As an adjective simulate

is feigned; pretended.