adj. Semantically and pragmatically coherent, fitting in the context.
the GNU version of the Collaborative International Dictionary of English
adj. Characterized by felicity; happy; prosperous; delightful; skillful; successful; happily applied or expressed; appropriate.
The Century Dictionary and Cyclopedia
Characterized by or conferring happiness or pleasure; highly pleasing.
Well-chosen; appropriate: as, a felicitous manner; a felicitous situation; afelicitous reply.
Synonyms Fortunate, etc. (see happy); apt, pertinent, opportune, well-put.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
adj. exhibiting an agreeably appropriate manner or style
adj. marked by good fortune
Word Usage
"In these passages not only is the thought singularly pure and noble, and the expression felicitous, but the actual metre represents almost the high-water mark of the post-Vergilian hexameter."