Synonyms of strengthener

1 Syllable
stay, strut, truss, post, aid, prop
2 Syllables
stanchion, buttress, column, mainstay, tonic, stirrup, brace, shore
3 Syllables
refresher, refreshers, livener
4 Syllables
conditioner, assistance, underpinning, conditioners
5 Syllables
invigorator