Taste, i.e. consider it seriously, and thoroughly, and affectionately; make trial of it by your own and others experiences. This is opposed to those slight and vanishing thoughts which men have of it. Good, i.e. merciful and gracious, to wit, to all his people.
Related Commentaries of Psalms 34:8
Psalms 34:8
8 O taste and see that the LORD is good: blessed is the man that trusteth in him.