census, senses, sense us

Census or census means an enumeration or count of the population--
The United States government takes a census every ten years.
Our census is for congressional reapportionment, although it was once used for a per capita tax.

Senses or senses is the plural ( more than one ) of "sense", meaning one of the faculties used to take in physical information--sight, hearing, taste, smell, or touch--
The children are learning about the five senses.
Some philosophers believe that we only know what we can apprehend with out physical senses.

Senses is also the third person singular ( he, she, it ) form of "sense", meaning to perceive without conscious use of the physical senses, or to perceive emotionally or intuitively--
He senses that she is angry, but she won't admit it.
If he senses our nervousness, he'll ask where we've been.

Sense us or sense us ( two words, rhymes with census ) means to perceive ( sense ) two or more persons ( us ), one of whom is the speaker--
I'm sure the dog can't hear us, but can he sense us?
The dog won't sense us if we don't move.

Now that you know that, you can say--
"The census taker used all of his senses in an effort to sense us, but he didn't find us."

Note--"consensus" means a general agreement--
The committee argued for hours before reaching a consensus.