1. the act of expressing commendation, admiration, etc
2. the extolling of a deity or the rendering of homage and gratitude to a deity
3. the condition of being commended, admired, etc
4. archaic the reason for praise
5. sing someone’s praises to commend someone highly
6. to express commendation, admiration, etc, for
7. to proclaim or describe the glorious attributes of (a deity) with homage and thanksgiving
[C13: from Old French preisier, from Late Latin pretiāre to esteem highly, from Latin pretium prize; compare prize ², precious ]
praise. Dictionary.com. Collins English Dictionary – Complete & Unabridged 10th Edition. HarperCollins Publishers. http://dictionary.reference.com/browse/praise (accessed: July 10, 2014).
It is not enough to just say/sing “Praise the Lord”. It has to follow, or be followed up with the “Why”.
And there are many many reasons why!