斯: This person, this moment. It conveys a sense of refinement, the awe-inspiring dignity of a sage, and the dedication of one who lives and breathes their principles morning and night.
严: Strict and majestic, embodying a serious attitude towards life and the courage to pursue one's aspirations.
Meaning: The name Siyan conveys a sense of solemnity and rigor, evoking an impression of uprightness and steadfastness.