fundamental adj

Mod. L.

  1. Long-lasting; permanent.
  2. Essential; important; imperishable; enduring; confirmable; verifiable.
  3. Elemental; unchangeable; eternal; everlasting; existential; perpetual; foundational; from the foundations of existence; according to the natural order of creation.
  4. Elementary; simple; primary; basic.

fundamental adv

see fundamental, adj.

  1. Truly; really; verily; reliably; primarily; principally; with good evidence.