1. realis - Noun
2. realis - Adjective
realis (uncountable)
(grammar) A category of grammatical moods, the most common of which is the indicative mood, that indicate that something actually is, or is not, the case.
(grammar) Of or relating to the realis mood.
(grammar, of a verb) Inflected to indicate that something actually is, or is not, the case.
Source: en.wiktionary.orgThe term "reality" has been used in English since the 1540s, to mean "quality of being real," from "French réalité and directly Medieval Latin realitatem (nominative realitas), from Late Latin realis". Source: Internet
It is not uncommon for non-Indo-European languages not to have a three way tense distinction, but instead to distinguish between realis (past/present) and irrealis (future) moods, and describe the past distinction using completive aspect. Source: Internet