consolidate
to combine several things into a single more effective or coherent whole; to strengthen a position
The merger was designed to consolidate market share and cut duplicated operational costs.
More GRE words starting with C
a small secret group plotting against a government or authority
having a hidden or mysterious meaning understood only by initiates
a harsh, jarring mixture of sounds
to obtain something by begging or sponging off others
falling off or shed at an early stage, especially of plant parts
to coax someone into doing something through flattery or persuasion
an event causing great damage, loss, or distress
misty, dim, or dark, and therefore obscure
Learn words the way the GRE tests them.
Vocabulary sticks when you meet it in real sentences. Practise these words inside text completion and sentence equivalence questions.