audible (o'di-b'l), capable of being heard.
auditor (o'di-ter), a hearer.
august (o-gust'), majestic; solemn.
auroral (o-ro'ral), pertaining to the dawn, rosy.
austere (es-ter'), severe.
austerity (os-ter'i-ti), severity; severe simplicity.
authentic (o-then'tik), true; genuine.
autocrat (e'to-krat), an absolute ruler.
avail (a-val'), help; be of use.
Ave Maria (a'va ma-re'a), Hail Mary, first words of a Roman Catholic prayer to the Virgin Mary. The words are those of the Angel Gabriel, hence the prayer is called the Angelus.