Antonyms for the phrase "reaches decision" could include indecision, uncertainty, hesitation, or vacillation. If someone is struggling to reach a decision, they may be described as doubtful, wavering, or irresolute. Conversely, someone who has already made a decision may be said to be resolute or steadfast. Other antonyms for "reaches decision" might include "changes their mind" or "reverses their decision," suggesting that the person is not committed to their original choice. Alternatively, if someone is actively avoiding making a decision, they may be described as evasive, equivocating, or non-committal.