We don't have synonyms for perseveres yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are persevere, persevered and perseverer.
(v) :
(intransitive) To persist steadfastly in pursuit of an undertaking, task, journey, or goal, even if hindered by distraction, difficulty, obstacles, or discouragement.
(v) :
(intransitive, copulative, obsolete) To stay constant; to continue in a certain state; to remain.
(v) :
(intransitive) To persist steadfastly in pursuit of an undertaking, task, journey, or goal, even if hindered by distraction, difficulty, obstacles, or discouragement.
(v) :
(intransitive, copulative, obsolete) To stay constant; to continue in a certain state; to remain.