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point of departure

1. Literally, the point from which one begins one's journey. All customers are being advised that the point of departure for the 3:30 tour bus has been changed.
2. By extension, the point from which further discussion, activity, progress, development, etc., takes place. We are hopeful that this summit will act as a point of departure for future policies dealing with the threat of climate change.
See also: departure, of, point

a ˌpoint of deˈparture

1 a place where a journey starts
2 (formal) an idea, a theory or an event that is used to start a discussion, an activity, etc: Professor Brown’s recent article will certainly be the point of departure for future research on the subject.
See also: departure, of, point
References in classic literature ?
It is not the ship that takes her departure; the seaman takes his Departure by means of cross-bearings which fix the place of the first tiny pencil-cross on the white expanse of the track-chart, where the ship's position at noon shall be marked by just such another tiny pencil cross for every day of her passage.
A Departure, the last professional sight of land, is always good, or at least good enough.
Three months after the departure of the prince, the Ivolgin family discovered that Colia had made acquaintance with the Epanchins, and was on very friendly terms with the daughters.
Now these men, as clever as they were daring, had survived the terrible shock consequent on their departure, and it is their journey in the projectile car which is here related in its most dramatic as well as in its most singular details.
Thus did Sancho soliloquise on the day of their departure, as Don Quixote, who had the night before taken leave of the duke and duchess, coming out made his appearance at an early hour in full armour in the courtyard of the castle.
I left Conseil to stow our trunks conveniently away, and remounted the poop in order to survey the preparations for departure.
Under his arm might have been observed a red-bound copy of Bradshaw's Continental Railway Steam Transit and General Guide, with its timetables showing the arrival and departure of steamers and railways.
The harbor of New York would doubtless be blockaded, and the departure of the annual supply ship in the autumn prevented; or, if she should succeed in getting out to sea, she might be captured on her voyage.
Nothing had been heard of them since their departure from the Arickara village; Lisa, who parted from them there, had predicted their destruction; and some of the traders of the Northwest Company had actually spread a rumor of their having been cut off by the Indians.
aviation statistics website Flightstats, Incheon International Airport ranked last among 44 airports for punctual departure performance as of January.
Smart Departure employs face recognition technology for identity verification, which facilitates self-service departure for visitors.
Carl Matthew Villanueva's last record of departure was June 9, 1994, with no record of arrival;
In the October issue you mentioned the Wagge Six departure out of Reno.
A larger WHSmith shop is being constructed in the lower departure lounge area and the existing Kissing Gate Bar and Eatery area will be expanded.
Emirates has reminded customers to arrive at the airport at least three hours before flight departure, and plan extra time to get to the airport as there may be heavy road traffic during this period.