From thought + -worthy.
thoughtworthy (comparative thoughtworthier or more thoughtworthy, superlative thoughtworthiest or most thoughtworthy)
- Worthy of thought or of being thought; considerable.
1990, George Kovacs, The question of God in Heidegger's phenomenology:
- The most thoughtworthy task of thinking and speaking (logos) consists in bringing somehow Being into language, in letting Being come into words.