consensual

With permission, with consensus, without coercion; allowed without objecting or resisting.

He'd operated on an almost permanent adrenaline high, a byproduct of youth and proficiency, jacked into a custom cyberspace deck that projected his disembodied consciousness into the consensual hallucination that was the matrix.

consensual sex

Existing, or made, by the mutual consent of two or more parties.

a consensual contract

Excited or caused by sensation, sympathy, or reflex action, and not by conscious volition.

consensual motions

Excited or caused by sensation, sympathy, or reflex action, and not by conscious volition.

direct and consensual pupillary reflexes produce bilateral constriction from a unilateral stimulus