«فَكَأَنَّ الْجَمَاعَةَ ارْتَابَتْ بِعَزْوَتِهِ وَأَبَتْ تَصْدِيقَ دَعْوَتِهِ»
The assembly seemed doubtful about his attribution and unwilling to accept his claim.
Irtābat means to become suspicious or doubtful, while taṣdīq means acceptance or confirmation. The group still finds the poetry impressive, but hesitates over its authorship.
Aesthetic approval and factual verification are distinct judgments; this distinction drives the next turn of the narrative.