$input = Complete('prompt_string', \@completion_list);

##</code><code>##

use Curses::UI;
use Term::Complete;

...

sub complete {
    my @words = ( 'perl', 'pepper', 'peace' ); # thanks marto!
    my $input = Complete('',\@words);
    $editor->add_string($input);
}

...

$cui->set_binding(\&complete,"\t");