sub·stan·ti·val 
(sŭb′stən-tīvəl)
(sŭb′stən-tīvəl)adj.
Grammar
Grammar
Of or relating to the nature of a substantive.
sub′stan·tival·ly adv.
- investigational
- investigative
- investigator
- investigatorial
- investigatory
- investiture
- investment
- investment bank
- investor
- inveteracy
- inveterate
- inveterately
- inveterateness
- inviability
- inviable
- invidious
- invidiously
- in view of
- invigorate
- invigoratingly
- invigoration
- invigorator
- invincibility
- invincible
- invincibleness