perceive, detect, discern, mark. in the sense of descry.
What is another word for detecting?
To ascertain is to verify facts by inquiry or analysis: to ascertain the truth about an event.
What do you mean by detect?
/dɪˈtekt/ C1. to notice something that is partly hidden or not clear, or to discover something, especially using a special method: Some sounds cannot be detected by the human ear. Financial experts have detected signs that the economy is beginning to improve.