normal
nor-mal
adjective
Conforming to what is typical, usual, or expected; not strange or unusual.
"It's normal to feel a bit tired."
noun
The usual or expected state, level, or amount of something.
"Things are slowly returning to normal."
Thesaurus
Synonyms: median, mean, natural, modal, typical, average, regular, rule, convention, formula, pattern, perpendicular
Antonyms: abnormal, paranormal, unnatural