Modifiers matching river:

• special,
• major,
• sensitive,
• fast,
• larger,
• nearby,
• large,
• perennial,
• small,
• clear,
• beautiful,

Simple categories matching beautiful:

• person,
• flower,
• songster,
• ceremony,
• actress,
• princess,
• queen,
• feature,
• fiber,
• jewelry,
• footwear,
• monument,
• poet,
• scene,
• lady,
• stage,
• shrub,
• city,
• cave,
• grain,
• adulteress,
• arms,
• heroine,
• necklace,
• site,
• mall,
• musician,
• theatre,
• design,
• planting,
• fruit,
• relationship,
• warrior,
• lake,
• hero,
• mansion,
• hardwood,
• pastel,
• book,
• keepsake,
• glassware,
• bird,
• relic,
• child,
• area,
• apparel,
• scent,
• reporter,
• waterfowl,
• inlet,
• band,
• architecture,
• perennial,
• location,
• gem,
• object,
• nature,
• adornment,
• valley,
• edifice,
• annual,
• fern,
• artifact,
• handicraft,
• home,
• church,
• formation,
• works,
• piece,
• textile,
• possession,
• effect,
• characteristic,
• singer,
• animal,
• metal,
• color,
• surface,
• theme,
• gemstone,
• material,
• mineral,
• insect,
• holiday,
• orchid,
• work,
• ballad,
• creation,
• campaigner,
• glass,
• feather,
• instrument,
• picture,
• fabric,
• light,
• food,
• daughter,
• jewellery,
• candle,
• item,
• topic,
• garment,
• wearable,
• man,
• accessory,
• god,
• flooring,
• language,
• island,
• art,
• image,
• extra,
• dancer,
• furniture,
• place,
• structure,
• writing,
• event,
• waterbird,
• tree,
• river,
• room,
• surroundings,
• virtue,
• shape,
• goody,
• pattern,
• chef,
• scientist,
• wife,
• berry,
• palace,
• product,
• bonsai,
• form,
• arts,
• body,
• article,
• construction,
• clothes,
• souvenir,
• emotion,
• container,
• property,
• ruin,
• music,
• project,
• memorial,
• track,
• craft,
• fountain,
• journalist,
• motive,
• wildflower,
• thing,
• attribute,
• decoration,
• dance,
• crystal,
• ornament,
• fibre,
• garden,
• beast,
• quality,
• spy,
• aroma,
• stone,
• plant,
• furnishing,
• reptile,
• woman,
• genius,
• bedding,
• fish,
• wood,
• building,
• creature,
• songbird,
• section,
• scientist,
• embellishment,
• diamond,
• artefact,
• ornamental,
• temple,
• linen,
• fauna,
• weapon,
• flora,
• beach,
• box,
• earth,