Opposite words for convince :
" Well, it is true; and you have only to come to Mr. Boyd's to convince yourself of the truth. "Little Miss Joy", Emma Marshall.
I can convince you in a few words. "The Last Hope", Henry Seton Merriman.
This picture will convince you." "The Prophetic Camera", John McGreevey.
All this may appear very absurd; but a little reflection will convince the reader to the contrary. "Newton Forster", Frederick Marryat.