According to Deacon Dr. Mark Miravelle, of Franciscan University of Steubenville, the English word "worship" has been associated with both veneration and adoration: Adoration, which is known as latria in classical theology, is the worship and homage that is rightly offered to God alone. It is the acknowledgement of excellence and perfection of an uncreated, divine person. It is the worship of the Creator that God alone deserves.
This refers to the excellence exhibited by the created being who likewise deserves recognition and honor. We see a general example of veneration in events like the awarding of academic awards for excellence in school, or the awarding of the Olympic medals for excellence in sports. There is nothing contrary to the proper adoration of God when we offer the appropriate honor and recognition that created persons deserve based on achievement in excellence.
Hence Catholic writers will sometimes use the term "worship" not to indicate adoration, but only the worship of veneration given to Mary and the saints. Mark Miravalle, S.T.D, What is Devotion to Mary.
Protestant theology usually denies that any real distinction between veneration and worship can be made, and claims that the practice of veneration distracts the Christian soul from its true object, the worship of God.
The Hindu honoring of icons and murtis, often seen as idolatry, may also be looked upon as a kind of veneration.
Creation, being regarded as an icon of the Creator, is a valid object of veneration.
Source: Wikipedia > Veneration
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