A person can cleanse his or her conduct by obeying the Word of God (v. 9). The writer testified that he had internalized and delighted in God's Word to maintain moral purity (vv. 10-14). He made it a practice to think about God's revelation continually (vv. 15-16).
The word "path"(Heb. orah) is a synonym for "way."It occurs five times in this psalm (vv. 9, 15, 101, 104, 128).
Another important synonym for God's law is "word"(Heb. dabar) that I have found 23 times (vv. 9, 16, 17, 25, 28, 42, 43, 49, 57, 65, 74, 81, 89, 101, 105, 107, 114, 130, 139, 147, 160, 161, 169). It is a general term for God's revelation that proceeds from His mouth.
A poetical synonym for "word"is "saying"(Heb. imrah) that the translators have sometimes rendered "promise."It occurs 19 times (vv. 11, 38, 41, 50, 58, 67, 76, 82, 103, 116, 123, 133, 140, 148, 154, 158, 162, 170, 172).
Other responses to God's Word that the writer mentioned and that occur first in this section are rejoicing (vv. 14, 74, 162), meditating (vv. 15, 23, 27, 48, 78, 97, 99, 148), and delighting (vv. 16, 24, 35, 47, 70, 77, 92, 143, 174).
