— substantiatable , adj. — substantiation , n. — substantiative , adj. — substantiator , n.
/seuhb stan"shee ayt'/ , v.t., substantiated, substantiating .
1. to establish by proof or competent evidence: to substantiate a charge.
2. to give substantial existence to: to substantiate an idea through action.
3. to affirm as having substance; give body to; strengthen: to substantiate a friendship.
[ 1650-60; substantiatus (ptp. of substantiare ), equiv. to L substanti ( a ) SUBSTANCE + -atus -ATE 1 ]
Syn. 1. prove, confirm, verify, validate.