Sometimes, the phrase "whenever appropriate" can be repetitive or too formal for certain contexts. Synonyms for this term include "when necessary," "as required," "where applicable," "when applicable," "depending on the situation," "at the appropriate time," "when suitable," "as deemed appropriate," and "in due course." Using these synonyms can add variety to your writing or speech and help avoid sounding monotonous. Additionally, using the appropriate synonym can help communicate your point more effectively and efficiently to your audience. So, next time you need to convey the idea of "whenever appropriate" in your communication, consider using one of these alternate phrases.