"Casts one's net" is a common phrase used to describe the act of pursuing opportunities or exploring possible outcomes. If you're looking to add variation to your vocabulary, there are plenty of synonyms available to use in place of this popular expression. Some alternatives include "extends one's reach," "investigates widely," "scours the landscape," or "seeks far and wide." Other similar phrases to consider include "expands one's horizons," "casts a wide gaze," "nets possibilities," or "casts a wide search." Regardless of which phrase you choose to use, the meaning behind "casts one's net" remains the same: the pursuit of new possibilities and opportunities.