To take a dim view of something means to disapprove of or have a negative opinion about it. On the other hand, an antonym for this phrase would be to take a bright view of something. This means to have a positive or optimistic opinion about a particular matter or situation. Other antonyms for "took dim view of" could include "approved of", "supported", "encouraged", "appreciated", or "commended". These words suggest a favourable attitude towards something, as opposed to a critical or negative one. Choosing positive words and expressions can help to communicate upbeat messages and foster a more constructive and motivating environment.