a view or prospect, esp. one seen through a long, narrow avenue or passage, as between rows of trees or houses.

such an avenue or passage, esp. when formally planned.

a far-reaching mental view

vistas of the future.

noun

field of vision , glimpse , landscape , look , outline , panorama , perspective , scene , scenery , seascape , sight , vision , lookout , outlook , prospect , range , scope , view