sententious (
http://definr.com/sententious)
adj 1: abounding in or given to pompous or aphoristic moralizing;
"too often the significant episode deteriorates into
sententious conversation"- Kathleen Barnes
2: concise and full of meaning; "welcomed her pithy comments";
"the peculiarly sardonic and sententious style in which
Don Luis composed his epigrams"- Hervey Allen [syn:
pithy]