The phrase "wast sensible of" can be replaced with several synonyms and similar phrases that carry a similar connotation. Some options include "were aware of," "perceived," "recognized," "felt," or "understood." Additionally, phrases like "took note of," "noticed," or "realized" could also be used to convey the same meaning. The phrase "wast sensible of" typically implies a certain level of mindfulness, attentiveness, and sensitivity to one's surroundings or the situation at hand. Therefore, utilizing any of these synonyms can help enhance the clarity and specificity of the intended meaning in your writing or speech.