The term "knocked block off" has a violent connotation, implying a physical assault or attack. Antonyms for this term could include peaceful actions like embrace, hug, or unification. Other antonyms might include a polite or considerate approach, such as compliment, praise, or commendation. Alternatively, one could use a nonviolent term that represents a more positive action or outcome, such as collaboration, agreement, or consensus. Whatever the opposite of "knocked block off" may be, it's important to remember that using respectful and peaceful language can go a long way in promoting understanding and unity among all people.