The phrase "ohed well" can be replaced with various synonyms depending on the intended meaning and context. Some alternatives include "expressed satisfaction," "voiced approval," "conveyed contentment," "indicated gratification," "declared delight," "affirmed joy," "acknowledged happiness," or "testified to pleasure." These phrases all represent engaging with positive emotions and expressing them vocally. It's important to consider which synonym best fits the specific situation and tone desired. Using strong, accurate synonyms can elevate writing and communication, conveying depth and nuance that a more generic phrase like "ohed well" may not capture.