descend
de-scend
verb
To move or go downwards from a higher position.
"The aircraft began to descend towards the runway."
verb
To fall or sink to a lower or worse state or condition.
"The discussion quickly descended into a heated argument."
Thesaurus
Synonyms: fall, settle, come down, go down, deign, condescend, derive, come
Antonyms: arise, ascend, come up, go up, lift, move up, rise, uprise