echoable

As a noun display

is a show or spectacle.

As a verb display

is (obsolete) to spread out, to unfurl.

As an adjective echoable is

(computing|rare) capable of, or suitable for, being echoed to the display.

As a noun echo

is echo (a reflected sound that is heard again by its initial observer).

As an adjective echoable is

(computing|rare) capable of, or suitable for, being echoed to the display.