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(N): full of hope or expressing hope about the new pope.

(ADJ): feeling or inspiring optimism about the future leadership of the new pope.
The popeful gathered in Rome.

The popeful comments showed enthusiasm for the future of the Roman Catholic Church.
by Liberty Zealot March 13, 2013
Those awaiting to hear if they will be the next Pope.
The Popefuls, are waiting to hear, anxiously, if it might be, him/her.
by Marci April 02, 2005