Select the correct antonym of the underlined word in the given sentence:

His speech was filled with invective as he expressed his apprehension about the leader's integrity and commitment to the common cause.

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