Actually, two words, "Legitimizes" and "Validates" have about equal standing here. Example: "IBM's entrance into the market has legitimized the personal computer and we expect it to have a positive impact on our buiness".
Yeah, a positive impact such as the impact a ton of bricks dropped from great height has.
Onyx Software in a statement Tuesday said that it believes Microsoft's move will "have little or no impact on Onyx, its market position, or its existing partnership with Microsoft," given the focus of Microsoft CRM on smaller companies. But Microsoft's announcement "does represent validation of the overall CRM industry and the market opportunity it represents across all segments". (emphasis mine)
Get the gory details over at [link|http://www.infoworld.com/articles/hn/xml/02/02/27/020227hnmscrm2.xml|InfoWorld].