This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Marked by great joy or jubilation; triumphant.

adj. very happy, especially at someone else's defeat or failure.

adj. Inclined to exult; characterized by, or expressing, exultation; rejoicing triumphantly.

Exulting or expressing exultation; rejoicing exceedingly or triumphantly, or indicating such rejoicing.

adj. joyful and proud especially because of triumph or success

"Yet, the phenomenon itself has foreign policy implications -- as does the probable outcome wherein exultant Republicans hold at least one House of Congress and a timorous White House says and does as little as possible to avoid making them even more hostile than they are."

elated   

unhappy    miserable    downcast   

rejoicing    jubilant    content    joyful    merry    ecstatic    happy    gay    triumphant    jovial   

consultant    resultant   

joyful    jubilant    ecstatic    raucous    gleeful    defiant    tumultuous    heartfelt    shrill    irrepressible