Synonyms for «first explanation»

Synonyms for individual words can be found below.

First an explanation then the comments and finally a conclusion. (pragmaticenvironmentalistofnewyork.blog)
«First explanations for boundary within Earth's mantle: Observed physical transition hundreds of miles below Earth's surface.» (sciencedaily.com)
Personally religion was invited as first a explanation to provide answers in a highly uneducated time period. (religion.blogs.cnn.com)
(see all sentences)