[38] What, on that occasion, is right mindfulness (sammāsati)?
That which on that occasion is mindfulness (sati), recollection (anussati), calling back to mind (paṭissati), mindfulness, the state of remembering (saraṇatā), the state of bearing in mind (dhāraṇatā), the state of not floating away (apilāpanatā), the state of not forgetting (asammusanatā), mindfulness, the faculty of mindfulness (satindriya), the power of mindfulness (satibala), right mindfulness — this, on that occasion, is right mindfulness.
English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.