1 see, make out, discern, catch sight of, glimpse, spot, espy, apprehend, take in, notice, note, discover, descry, observe, mark, remark, identify, distinguish, detect:
I perceived his hesitation when a solo flight was suggested. She perceived a strange odour emanating from the cupboard.
2 appreciate, grasp, feel, sense, apprehend, understand, gather, comprehend, deduce, infer, figure out, ascertain, determine, conclude, decipher, Colloq dig, catch on:
She perceived that he was going to renege on his promise to take her to the Riviera.
3 Often, perceive of. regard, view, look on, consider, contemplate, judge, deem, believe, think:
Calthorpe perceives of himself as a great actor, but he is dreadful. This gesture is often perceived as threatening.