Yes, as you said, Harmony, Liberty, Hope, Journey, all good. I also like Grace, Mercy, Virtue, Angel, anything virtue (Angel, Charity, Chastity, Destiny, Faith, Patience, Prudence, Trinity, Unity, Unique). Those are some of the virtue names I can think of.
More names that are also words: Dawn, Star, Aurora, Sunny/Sunshine, Sky, (lol sorry, so many sky references!) Crystal, Princess, Meri/Merry, (can be a short form of Meredith), Cyan, Summer, Winter, Autumn, Clarity, Story, America, Candy, Sugar, Bliss, Day, Justice, Sparkle, Love, Misty, Mauve, Holly, Pepper, Cayenne, Sailor, Velvet, Sincere.
Any flower, gem, color, or place name that comes up.
Flowers: Daisy, Rose, Magnolia, Saffron, Lily Jasmine, Lavender, Clover
Colors: Amber, Violet, Teal, Silver, Aqua, Blue
Gems: Ruby, Emerald, Sapphire, Aquamarine, Diamond, Jade
Places: Brooklyn, London, Milan, China, Asia, Paris
Also many months are names as well (besides just June and April).