The phrase "agreed to define" is correct and usable in written English.
You can use it when indicating that a group or individual has come to a consensus on the meaning or parameters of a term or concept.
Example: "During the meeting, we all agreed to define the project's scope before moving forward."
Alternatives: "consented to clarify" or "decided to specify".
Early on, we agreed to define "learning" indulgently to include a generous amount of supplementary tourism and gourmandizing.
The list may well include critical and scholarly works or texts from outside the traditional domain of literary studies in the chosen tradition (such as film, philosophy, other literary traditions), but such coverage should be regarded as supplemental except in rare instances where the chair and faculty advisers have agreed to define these materials as the student's field.
The parties have agreed to "define propositions on work schedules, including the number of hours designated as plain time, ensuring that doctors in training would not be expected to work consecutive weekends, and how time for administrative duties and training should be recognised".
As part of one such initiative, the members of the Pistoia Alliance [2] have mutually agreed to define and document the standards for a secured sequence service.
For the brincidofovir trial, for example, the researchers have agreed to define survival below 50% as "failure" and above 80% "success".
In a 2014 story for Wired called "Everything Science Knows About Hangovers And How to Cure Them," writer Adam Rogers explained that it "wasn't until the past decade or so that researchers even agreed to define hangover with a common group of symptoms".
The entire world can agree to define length by the standard meter in Paris (or by the wavelength of a certain atomic radiation), and that still comes nowhere near exhausting all that we mean by length.
If we agree to define major holidays by the following criteria -- 1. how many decorations are bought by households of all social strata; 2. how many unusual food items are consumed; and 3. how many non-immediate-family members must be dealt with in a friendly manner- it becomes obvious that Halloween wins on all counts.
Finally an agreement between the International Union of Pure and Applied Physics (IUPAP) and the International Union of Pure and Applied Chemistry (IUPAC) brought this duality to an end in 1959/60, both parties agreeing to define the atomic weight of 12C as being exactly 12 amu.
The ICPM also agreed to begin defining its role in the area of technical assistance to developing countries.
"Detailed rules and regulations covering the rights to forest resources as well as the responsibilities of communities and their individual members towards management of communal forest resources have to be agreed to and defined".
