(never in continuous tenses) formal to have something as a major and necessary part or quality
The beauty of air travel consists in its speed and ease.
phraseconsist in consist in sthformal if something consists in a particular thing, that is the main part of it or the most important reason for it: The beauty of Venice consists in the fact that it has so many different styles of architecture.Freud's greatest achievement probably consisted in taking neurotic patients seriously and exploring their individual psychology.