Reluctantly rhymes with:
blatantly, concomitantly, consistently, constantly, exultantly, hesitantly, importantly, inadvertently, incompetently, insistently, instantly, intermittently, militantly, patently, persistently
blatantly, concomitantly, consistently, constantly, exultantly, hesitantly, importantly, inadvertently, incompetently, insistently, instantly, intermittently, militantly, patently, persistently