From life + -ful.
lifeful (comparative more lifeful, superlative most lifeful)
- Full of vitality; bestowing life. [from 13th c.]
- 1596, Edmund Spenser, The Faerie Queene, VI.11:
- Her gentle hart […] Began some smacke of comfort new to tast, / Like lyfull heat to nummed senses brought […].
- 1818, John Keats, Endymion, I:
- A colour grew / Upon his cheek, while thus he lifeful spake.