GRE Words for Strengthen and Support

These 11 GRE words all share the meaning of strengthen and support. Studying them as one cluster is far more efficient than learning each in isolation, because the GRE tests words by how they relate to each other. Each entry below links to a full definition page with example sentences and memory hooks.

Why this cluster matters

On Sentence Equivalence you must choose two words that give the sentence the same meaning. That means the answer is almost always a synonym pair pulled from a cluster like this one. Watch the connotation tone on each word: a positive and a negative word rarely form a correct pair, even when their definitions look close.

The 11 words

bolsterverbPositive tone

To support or strengthen; to prop up

buttressverbPositive tone

To provide support or reinforcement for something

corroborateverbPositive tone

To confirm or give support to a statement, theory, or finding

energizeverbPositive tone

To give vitality, enthusiasm, or energy to; to invigorate

fortifyverbPositive tone

To strengthen or secure a place with defensive works; to strengthen or invigorate

galvanizeverbPositive tone

To shock or excite someone into taking action

invigorateverbPositive tone

To give strength or energy to

reinforceverbPositive tone

To strengthen or support, especially with additional material or resources

substantiateverbPositive tone

To provide evidence to support or prove the truth of something

undergirdverbPositive tone

To support or strengthen from below

vindicateverbPositive tone

To clear someone of blame or suspicion; to show or prove to be right

Keep going

Master every word for Strengthen and Support

Learn 1,000+ GRE words through stories, practice with real GRE questions, and never forget with spaced repetition.