Meditation means listening to the live-stream of Being without words. We seldom realize that, beneath our mind's chatter, there's a vibrant flow of silence that nourishes, heals and creates life. Dive into what makes flowers grow and birds sing.
In meditation, the only word that counts is the word that dissolves into silence. If you meditate with a mantra, let it go. If it's a real mantra, letting it go will open the flood-gate of Being.
There is no word that can help you understand God. Using words to understand God is like using cups to measure the ocean. If you want to experience the depth, you must throw your little cup into the waves, then dive in after it. There's no life guard on duty to save you, no life-preserver to keep on on the surface, no snorkel to breathe through. In other words: no savior, no religion to wrap yourself in, and no technique of meditation. Don't even cling to your breathing. Just tell yourself, "This is my last breath," and let that go too!
You won't survive. Only God survives.