Dictionary & Thesaurus

retention

1.	(noun) the act of keeping in your possession
	Synonyms: holding, keeping
	Related Words: ownership, possession, storage, withholding

2.	(noun) the power of retaining and recalling past experience; "he had a good memory when he was younger"
	Synonyms: memory, retentiveness
	Related Words: faculty, mental faculty, module

3.	(noun) the power of retaining liquid: "moisture retentivity of soil"
	Synonyms: retentiveness, retentivity
	Related Words: impermeability, impermeableness