Well I can't rightly say with complete conviction that one never has, but I won't operate under the assumption that there has been, that's just silly. (religion.blogs.cnn.com)
In its place, he prefers a position of complete conviction. (thewealthadvisor.com)
Consequently adolescents may feel complete conviction that a neutral face is hostile or that an innocent remark is aggressive. (edutopia.org)