There are many synonyms for the phrase "corrective steps to be taken." Some options include "remedial measures," "corrective actions," "rectifying efforts," "problem-solving approaches," and "amending initiatives." Each of these phrases implies a sense of taking action to correct something that is not working as intended. They suggest a proactive response to an issue or problem that requires attention or resolution. Choosing the right synonym depends on context and the specific situation at hand, but each phrase can convey a sense of urgency and determination to improve or fix something that needs attention.