From Latin spatium + -al.

• (British, America, Canada) IPA: /ˈspeɪ.ʃəl/
• (Australia) IPA: /ˈspæɪ.ʃəl/

spatial (not comparable)

1. Pertaining to (the dimension of) space.
2. (uncommon) Pertaining to (outer) space.
   • 1964, Food Research Institute Studies, volume 4, number 2, page 123:

     It was a land that could no longer be seriously described as underdeveloped, a land that has been able to achieve remarkably high rates of growth in its industrial production and gross national product since 1928, and a land that would shortly send into outer space the first man-made, and eventually also the first manned, spatial vehicle.

• spatio-#Prefix

• French: spatial
• German: räumlich, Raum
• Italian: spaziale
• Portuguese: espacial
• Russian: простра́нственный
• Spanish: espacial