Counter-posing, which means to place in opposition or contrast, can be expressed using various antonyms. One opposite of counter-posing is to align, which refers to arranging things in a straight line or bringing them into agreement or harmony. On the other hand, one can also use the antonym harmonizing, which signifies creating a pleasing or balanced effect by blending different elements together. Another antonym of counter-posing is to complement, which entails enhancing or completing something by adding extra features or features that function well together. Lastly, collaborating is also an antonym for counter-posing, meaning working together to achieve a common goal or to produce something jointly.