There is no such word as "coulded." Perhaps the word intended was "could," which means there are several synonyms available depending on the context. Some synonyms for "could" include "able," "capable," "competent," "skilled," and "talented." In certain situations, "could" can also be replaced with "might," "should," or "would." "Might" implies a higher level of uncertainty while "should" and "would" often suggest a sense of obligation or expectation. Understanding synonyms for common words like "could" can improve one's writing and communication skills.