Shared ground
Acts 6:15 slows the narrative to a single, public visual detail: the whole council stares at Stephen, and they all see that his face looks “like the face of an angel” (Acts 6:15). The text presents this as a shared observation in the room, not as Stephen’s claim.
The verse contributes to the larger Acts theme that opposition does not control the outcome or the meaning of events. Even in a formal hearing designed to judge him, Stephen’s visible composure (or striking appearance) frames the moment just before his speech begins in the next scene.
Where interpretation differs
Interpreters mainly differ on what “like the face of an angel” is meant to communicate.
One reading takes it as a real, outward change in appearance—some kind of visible radiance or unusual look that others could plainly see.
Another reading takes it as a comparative description of demeanor: Stephen looks calm, fearless, and “otherworldly” in a way that reminds observers of angelic presence, without requiring a literal glow.
A related question is perspective: whether this is strictly the council’s perception (“they saw…”) or Luke’s way of telling the audience what the council witnessed (a narrator-guided evaluation). Either way, the text ties the description to what was publicly observed.
Why the disagreement exists
The phrase “like the face of an angel” is a comparison without an explanation of how it looked or why it happened. Because the verse gives no details (light, fear, expression, etc.), readers must infer the sense from the courtroom setting and from how Acts often reports extraordinary signs.
What this passage clearly contributes
Explicitly, the verse claims unanimity of attention (“all… fixed their eyes”) and a unified report of what they saw: Stephen’s face appeared angel-like. It also signals that the story is about to move from accusations to Stephen himself—his presence and then his words. Theologically by inference, the scene suggests that Stephen is not portrayed as defeated or shamed in the moment of judgment; the narrative presents an unexpected dignity that interrupts the hostile setting.