Modifiers matching idea:

• environmental,
• abstract,
• mathematical,
• larger,
• main,
• shared,
• religious,
• salient,
• scientific,
• short,
• philosophical,
• social,
• unique,
• supernatural,
• contemporary,
• damaging,
• complex,
• musical,
• humanistic,
• anthropological,
• pure,
• physical,
• big,
• conceptual,
• new,
• sophisticated,
• metaphysical,
• exotic,
• small,
• innovative,
• political,
• liberal,
• valuable,
• geometric,
• complimentary,
• visual,
• platonic,
• recent,
• sociological,
• educational,
• dangerous,
• traditional,
• timeless,
• organizational,
• foreign,
• taxonomic,
• divine,
• global,
• theoretical,
• powerful,
• nonchristian,
• creative,
• spiritual,
• negative,
• positive,
• serious,
• elementary,
• concrete,
• noble,
• familiar,
• basic,
• additional,
• statistical,
• good,
• exciting,
• irrational,
• theological,
• cool,
• subjective,
• unrealistic,
• universal,
• subtle,
• wrong,
• legal,
• commercial,
• related,
• compositional,
• solid,
• mythological,
• attractive,
• christian,
• antique,
• european,
• important,
• broad,
• single,
• eastern,
• little,
• civic,
• cognitive,
• technical,
• literary,
• economic,
• logical,
• extreme,
• large,
• rough,
• moral,
• difficult,
• old,
• original,
• relevant,
• practical,
• key,
• textual,
• absolute,
• modern,
• eschatological,
• scholarly,
• mystical,
• unrelated,
• popular,
• harmful,
• cultural,
• secular,
• stylistic,
• arbitrary,
• geographical,
• japanese,
• simple,
• wonderful,
• esoteric,
• artistic,
• psychological,
• vocal,
• timely,
• classical,
• formal,
• computational,
• essential,
• general,
• western,
• central,
• underlying,
• historical,
• reformist,
• immaterial,
• spatial,
• buddhist,
• bad,
• diverse,
• interesting,
• dark,
• outmoded,
• fundamental,
• measurable,
• unusual,
• linguistic,
• romantic,
• particular,
• common,

Simple categories matching immaterial:

• consumption,
• idea,
• material,
• thing,
• entity,
• assets,
• object,
• component,
• property,
• attribute,
• being,
• domain,
• mind,
• item,
• information,
• asset,
• laws,
• part,
• power,
• force,
• nature,
• product,
• possession,
• resource,
• matter,
• document,
• phenomenon,
• form,
• values,
• process,
• content,
• quality,
• dimension,
• production,
• artifact,
• fact,
• activity,
• condition,
• subject,
• concept,