1) Apologetic 2) Ashamed 3) Contrite 4) French word used in English 5) Penitent 6) Penitential 7) Regretful 8) Remorseful 9) Repenting 10) Rueful 11) Ruthful 12) Sorry Found on https://www.crosswordclues.com/clue/repentant
• (a.) Penitent; sorry for sin. • (a.) Expressing or showing sorrow for sin; as, repentant tears; repentant ashes. • (n.) One who repents, especially one who repents of sin; a penitent. Found on http://thinkexist.com/dictionary/meaning/repentant/
Re·pent'ant (- a nt) adjective [ French repentant .] 1. Penitent; sorry for sin. Chaucer. « Thus they, in lowliest plight, repentant stood.» Millton. 2. Expressing or showing sorrow for sin; as, repentant tears; repentant Found on http://www.encyclo.co.uk/webster/R/53