v. 25B6; verb
a cloud of dust appeared on the horizon : BECOME VISIBLE, come into view/sight, materialize, pop up.
fundamental differences were beginning to appear : BE REVEALED, emerge, surface, manifest itself, become apparent/evident, come to light; arise, crop up.
(informal) Bill still hadn't appeared : ARRIVE, turn up, put in an appearance, come, get here/there; informal show (up), pitch up, fetch up, roll in, blow in.
they appeared to be completely devoted : SEEM, look, give the impression, come across as, strike someone as.
the paperback edition didn't appear for two years : BECOME AVAILABLE, come on the market, go on sale, come out, be published, be produced.
he appeared on Broadway : PERFORM, play, act.
vanish.