grammar – n. the study of words and their uses and relations in sentences

ex- prefix meaning former

introduce – v. to lead to or present

sum up – phrasal verb to describe or show the most important parts or qualities of (someone or something) in a brief or simple way

medieval – adj. of or relating to Europe's Middle Ages

practice – v. to work at repeatedly so as to become skilled

devotion – n. a feeling of strong love or loyalty

virtue – n. morally good behavior

sincerity – n. having or showing true feelings that are expressed in an honest way

disconcerting – adj. unnerving or troubling; concerning