Modifiers matching formation:

• military,
• impermeable,
• geologic,
• geological,
• national,
• stable,
• crystalline,
• tropical,
• surrounding,
• social,
• natural,
• individual,
• conceptual,
• past,
• offer,
• beautiful,
• structural,
• pedestrian,
• nearby,
• interesting,
• territorial,
• glacial,
• political,
• unusual,
• igneous,
• intricate,
• impersonal,
• defensive,
• elastic,
• rocky,
• unconsolidated,
• underground,
• impervious,
• hard,
• personal,
• morbid,
• sacred,
• salt,
• sticky,
• large,
• discrete,
• exterior,
• geometric,
• geographic,
• key,
• active,
• unique,
• particular,
• star,
• internal,
• ideological,
• massive,
• pointed,
• traditional,
• artistic,
• soft,
• major,
• impressive,
• common,
• unstable,
• dense,
• solid,
• polygonal,
• thick,
• pathologic,
• volcanic,
• sedimentary,
• mental,
• geographical,
• harder,
• symbolic,
• christian,
• coastal,
• smaller,
• acid,
• monolithic,
• cambrian,
• medium,
• calcareous,
• diverse,
• ancient,
• subsurface,
• tall,
• plastic,
• vertical,
• strong,
• small,
• rare,
• up,
• homogeneous,
• separate,
• popular,
• strange,
• earthen,
• hollow,
• organized,
• larger,
• cultural,
• deep,
• abrasive,
• molecular,
• uniform,
• historical,
• siliceous,
• permeable,
• underwater,
• porous,
• regular,
• weak,
• special,
• virtual,
• complex,
• galactic,
• undesirable,
• conical,
• organic,
• spatial,
• standard,
• formal,
• typical,
• driving,
• quaternary,
• moving,
• spiritual,
• softer,
• geophysical,

Simple categories matching impersonal:

• activity,
• institution,
• agency,
• object,
• organization,
• topic,
• group,
• system,
• thing,
• formation,
• entity,
• body,
• library,
• matter,
• source,
• instrument,
• force,
• principle,
• authority,
• power,
• structure,
• effect,
• domain,
• tax,
• process,