The phrase "takes seriously" implies a great deal of importance or significance given to the subject at hand. Synonyms for this phrase could include "treats with gravity," "approaches with earnestness," "deals with utmost sincerity," "considers with weight," or "regards with deep respect." Other similar phrases that convey a comparable meaning might include "values highly," "holds in esteem," or "places great emphasis on." In any context where importance and respect must be given to a subject, these synonyms for "takes seriously" may be useful to ensure that the gravity of the topic is properly conveyed.