well-reasoned russian

• аргументи́рованность

  well-reasoned nature, substantiation, validity, soundness

• аргуме́нтный

  argumentative, well-argued, reasoned

• аргументи́рованный

  well-reasoned, well-founded, argumentative, reasoned, supported by arguments

• рассу́женный

  judged, considered, reasoned, well-thought-out