Radiant, brilliant, or beautiful
Seniya is a name of likely Arabic origin, often considered a variant of Saniya or Samiyah. It carries the connotation of being high, exalted, or shining brilliantly. In some contexts, it is also associated with the concept of being gifted or radiant.
Less common today
Seniya isn't in the latest US Top 1000. It last peaked at #7,484 in 2005.
US births per 5-year period, 1990βpresent (SSA data).