Does the fear of the Lord stand at the foundation of Solomon's wisdom?

Yes, the fear of the Lord stands at the foundation of Solomon's wisdom. The chapter opens by anchoring Solomon's character in covenant faithfulness: he "loved Jehovah, walking in the statutes of David his father." That love, expressed through obedience, is the soil from which his wisdom grows. Without it, his later request for a discerning heart would have been merely clever; with it, the request is the plea of a young king who knows he rules a people belonging to God.

The proof of this foundation appears in the Gibeon encounter. When God offers Solomon anything, Solomon does not ask for personal gain—long life, riches, or the destruction of his enemies—but asks for "an understanding heart to judge thy people, that I may discern between good and evil." Because it pleased the Lord, God grants him unsurpassed wisdom and adds the riches and honor he did not request. The decisive verse is the chapter's close: "all Israel heard of the judgment which the king had judged; and they feared the king: for they saw that the wisdom of God was in him, to do justice." Justice, not cleverness, is the shape that God-given wisdom takes in a ruler who fears Him.

1 Kings 3:3 sits inside a balanced portrait: Solomon loved the Lord and followed David's ways, yet still sacrificed at the high places because the temple had not yet been built. The verse does not describe Solomon as perfect; it describes the foundation on which his wisdom rests—covenant love expressed in obedience. Readers should not read v. 3 as blanket approval of high places; the next verse (v. 4) shows Solomon offering a thousand burnt offerings at the great high place at Gibeon, and the rest of the chapter explains why God still met him there.

To answer this question, two pieces of the chapter must be held together. First, Solomon's request for a discerning heart (v. 9) is the practical expression of v. 3—he loves God's statutes, so he asks for wisdom to rule God's people justly. Second, Israel's response to the two-women judgment (v. 28) confirms the source: "the wisdom of God was in him." The fear of the Lord is therefore not an extra virtue added to Solomon's intellect; it is the ground from which his understanding heart springs.