The Tipiṭaka in Three Languages

Satipaṭṭhānavibhaṅgasuttantabhājanīya

Abhidhammapiṭaka · Vibhaṅga · Vol. 35 · Section 439

[439] "Mindful" (satimā): Herein, what is mindfulness (sati)? That which is mindfulness, recollection (anussati), … right mindfulness (sammāsati) — this is called mindfulness. He is possessed of, fully possessed of, come to, fully come to, attained to, fully attained to, and endowed with this mindfulness. Therefore he is called "mindful."

English translation from the Pali (Siam Raṭṭha edition) — under review, not for citation.

This passage also appears in 3 other places