1.Definition: (medicine) can be felt by palpation
"A palpable tumor"
2.Definition: capable of being perceived; especially capable of being handled or touched or felt
"A barely palpable dust", "Felt sudden anger in a palpable wave", "The air was warm and close--palpable as cotton", "A palpable lie"
3.Definition: clearly revealed to the mind or the senses or judgment
"A palpable lie"
4.Definition: so intense as to be almost touched or felt
"There was a palpable sense of joy in the air"