When using the word "intellected," there are plenty of synonyms that can be used in its place. One alternative is "cogitative," which suggests someone who thinks deeply or is reflective. Another good option is "perceptive" which implies a person who is observant and quick to perceive things. "Astute" is another synonym that describes someone who is discerning and shrewd. "Clever" is a more casual synonym for "intellected," and it often refers to those who are sharp-witted or quick on their feet. Lastly, "bright" is another useful synonym as it denotes someone who is intelligent and has an aptitude for understanding.