Investigation of unusual vocabulary proceeds in two stages. First, establish the available Arabic usages and the evidence for them. Lexical possibility alone does not make a reading conclusive.
Second, evaluate immediate context, preceding and following clauses, and transmitted explanations. This identifies the sense most appropriate to the passage. Some apparently different reports may describe alternative usages or complementary explanations.
Example: if a word has three attested senses, syntax and context must decide which fits this verse. The other senses are not automatically equally authoritative here.