1. to convert (a word or phrase) into a noun or noun phrase
Usage: British spelling; American English typically uses 'nominalize'; common in linguistics and grammar instruction
2. to treat or regard (something) as a noun in grammatical analysis
Usage: technical; used in linguistic and grammatical contexts

Examples

• The verb 'run' can be nominalised to create the noun 'running'.
• In the sentence 'Swimming is fun,' the gerund 'swimming' nominalises the verb 'swim'.
• Linguists often nominalise adjectives by adding suffixes like '-ness' or '-ity'.
• The phrase 'to teach' becomes nominalised as 'teaching' or 'the teaching'.
• When you nominalise a verb, you transform an action into a thing or concept.