the GNU version of the Collaborative International Dictionary of English
n. The quality of being savory.
The Century Dictionary and Cyclopedia
n. Savory character or quality; pleasing taste or smell: as, the savoriness of an orange or of meat.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. having an appetizing flavor
Word Usage
"In a nutshell, "umami," basically refers to savoriness - think of chicken broth, or a meat loaf, or cheese sauce, and is generally considered to be the fifth taste, after sweet, salt, bitter and sour."