Synonyms for Meaning (same or very similar meaning)
WordNet sense 1 (the message that is intended or expressed or signified):
import, significance, signification, importWordNet sense 2 (the idea that is intended):
substanceWordNet sense 3 (rich in significance or implication):
pregnant, significantWordNet sense 4 (having a meaning or purpose):
meaningfulFrom the ODE community, based on WordNetadd/edit