Lead to believe that you'll propose (7)
I believe the answer is:
suggest
'propose' is the definition.
(synonyms)
I can't explain the remainder of the clue.
Can you help me to learn more?
(Other definitions for suggest that I've seen before include "Insinuate" , "Intimate" , "Give an impression of" , "Propose or drop a hint" , "Offer advice or idea" .)