Antonyms for the phrase "putting on hold" could include words such as expedite, accelerate, or advance. These words suggest a sense of urgency and activity rather than a pause or delay. Other antonyms might include words like move forward, progress, or resume. Each of these words implies a continuation of activity or progress rather than a suspension of motion or effort. Depending on the context in which the phrase "putting on hold" is being used, there may be multiple antonyms that could accurately describe the opposite action, providing greater clarity and precision in communication.