Modifiers matching river:

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

Simple categories matching beautiful:

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