Corroborant

Cor*rob"o*rant (k?r-r?b"?-rant), a. [L. corroborans, p. pr. See Corroborate.] Strengthening; supporting; corroborating. Bacon. -- n. Anything which gives strength or support; a tonic.

The brain, with its proper corroborants, especially with sweet odors and with music.
Southey.