Option 1 -> affluence means wealth or abundance, unrelated to critical language.
Option 2 -> acclamation means enthusiastic praise or approval, the opposite of harsh criticism.
Option 3 -> accord means agreement or harmony, not specifically the opposite of abusive language.
Option 4 -> censure means strong criticism or disapproval, similar to invective rather than opposite.
Hence, Option 2: acclamation -> "Invective" refers to insulting, abusive, or highly critical language. Its antonym would be praise or approval. Acclamation, meaning enthusiastic praise or applause, is the direct opposite of harsh criticism and invective. -> correct