come into sight or view; "He suddenly appeared at the wedding"; "A new star appeared on the horizon"
come into being or existence, or appear on the scene; "Then the computer came along and changed our lives"; "Homo sapiens appeared millions of years ago"
be issued or published; "Did your latest book appear yet?"; "The new Woody Allen film hasn't come out yet"
appear as a character on stage or appear in a play, etc.; "Gielgud appears briefly in this movie"; "She appeared in `Hamlet' on the London stage"
seem to be true, probable, or apparent; "It seems that he is very gifted"; "It appears that the weather in California is very bad"
present oneself formally, as before a (judicial) authority; "He had to appear in court last month"; "She appeared on several charges of theft"
a posture assumed by models for photographic or artistic purposes
pretend to be someone you are not; sometimes with fraudulent intentions; "She posed as the Czar's daughter"
behave affectedly or unnaturally in order to impress others; "Don't pay any attention to him--he is always posing to impress his peers!"; "She postured and made a total fool of herself"
an unintentional but embarrassing blunder; "he recited the whole poem without a single trip"; "he arranged his robes to avoid a trip-up later"; "confusion caused his unfortunate misstep"
a light or nimble tread; "he heard the trip of women's feet overhead"
a journey for some purpose (usually including the return); "he took a trip to the shopping center"
an exciting or stimulating experience
a hallucinatory experience induced by drugs; "an acid trip"
get high, stoned, or drugged; "He trips every weekend"
put in motion or move to act; "trigger a reaction"; "actuate the circuits"
cause to stumble; "The questions on the test tripped him up"
being in effect or operation; "de facto apartheid is still operational even in the `new' African nations"- Leslie Marmon Silko; "bus service is in operation during the emergency"; "the company had several operating divisions"
of or intended for or involved in military operations
pertaining to a process or series of actions for achieving a result; "operational difficulties"; "they assumed their operational positions"