at one

at one

In agreement. They need to be at one when they choose their wedding date.
See also: one
Farlex Dictionary of Idioms.

at one

In agreement, in harmony, as in John and Pat were at one on every subject except her cat, which made him sneeze, or Springtime always makes me feel at one with nature. [1300s]
See also: one
The American Heritage® Dictionary of Idioms by Christine Ammer.

(be) at ˈone (with somebody/something)

(formal) feel that you completely agree with somebody/something, or that you are part of something: Both political parties are at one on the question of foreign imports. This is the kind of place where you can feel at one with nature.
See also: one
Farlex Partner Idioms Dictionary

at one

In accord or unity.
See also: one
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • drive (one) out of office
  • force (one) out of office
  • force out of office
  • give (one) (one's) head
  • give head
  • give somebody their head
  • give someone their head
  • cooking for one
  • 1FTR
  • as one door closes, another opens
References in periodicals archive
At one client, even though staffing levels were not reduced, the staff composition changed dramatically with two functional experts being replaced with a general manager and an additional front-line generalist.
At one time, Public Enemy was far and away the most popular and influential group in rap music.
Last year they put one of these mirrors at one end of their plasma column for a double pass by the X-rays.
* A $500,000 line-of-credit for a co-op located at One W.
Energy exists in waves, and waves are a repetition-essentially a circular or a wave movement, which is a repeating of something-which means that it is already recursive at one level.
in Manhattan; and a $350,000 first mortgage for the 10-unit co-op located at One Gramercy Park West in Manhattan.
Holiday and Honey blew air kisses at one another as an unsmiling and preoccupied Sam said, "You have any idea where the cars are?"
It was formerly part of MetLife's corporate headquarters, which includes the complex located at One Madison Avenue between 23rd and 24th Streets.
Parked at one end of the room were the two car models built at the plant, a knot of people standing beside them, and a sign that read "Washington Square' above.