Modifiers matching river:

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

Simple categories matching beautiful:

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