The phrase "supporting reasons" is correct and usable in written English. You can use it when you need to refer to a set of facts, ideas, or arguments that are used to support a main idea. For example, "In order to make a strong argument, it is important to include several supporting reasons."
There are two layouts to choose from: a letter where each paragraph is a separate reason supporting and also against your argument; or, one paragraph with supporting reasons and another paragraph with reasons against.
So you might want supporting reasons.
Chapter Four asks students to "identify two aspects of India's foreign policy that you would like to retain and two you would like to change," with supporting reasons.
Supporting reasons include bridging knowledge and expertise gaps, sharing risk and exploring opportunities to add value to the JV organisations through collaboration.
Other supporting reasons for the recommendation are similar observed significance levels in distribution fitting, computational efficiency, and the fact that the location parameter of the three-parameter Weibull distribution is near the first order statistic.
It is difficult to believe that if petitioner was in fact refusing to answer because he was called at a public hearing instead of an executive session, express reliance upon the Committee rule would not appear in the record along with the supporting reasons.
Write down all of the factors you can think of and add one supporting reason for each.
If the relation of 'identity' between me now and me later supports reasons of prudence, we might suppose that the similar relation in the interpersonal case supports reasons of special obligation.
Getco officials say they support "reasoned market reform" and favor changes like obliging traders to stay in markets even when prices grow volatile.
Now, statistical inferences can turn data into actionable intelligence that supports reasoned decisions.
Support reason with logic and research.
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Software Engineer at Adobe, UK