Praise (preɪz)
— n
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
— vb
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!