What is another word for logically consistent?
Pronunciation: [lˈɒd͡ʒɪkli kənsˈɪstənt] (IPA) 
A few potential synonyms for the phrase "logically consistent" include: coherent, reasoned, rational, cohesive, and congruent. Each of these words implies a sense of stability and reasoning within a given idea or argument, suggesting that the content in question is both plausible and well-supported by evidence or logic. Additionally, these words indicate a sense of clarity and unity within the topic at hand, suggesting that there are no major contradictions or discrepancies to be found. As such, any of these terms could be used to describe a well-conceived and well-articulated argument or idea.
