This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The act or process of amassing or increasing: a military buildup; a buildup of tension during the strike.

n. The result of building up: a pipe clogged by rust buildup.

n. Widely favorable publicity, especially by a systematic campaign: The new movie was given a tremendous buildup in the media.

n. Extravagant praise.

n. An accumulation; an increase; a gradual development.

n. the act of building up an accumulation.

n. the events, such as advertising or publicity, causing increased interest in some coming event.

v. enlarge, develop, or increase by degrees or in stages

v. change the use of and make available or usable

v. prepare oneself for a military confrontation

v. form or accumulate steadily

v. bolster or strengthen

n. the result of the process of accumulation

n. highly favorable publicity and praise

n. the act of building up an accumulation

"Actually, I think Obama's Afghan troop buildup is entirely practical – he's in a tough spot due to the terrible policies of the last administration and is finally putting our forces closer to where they need to be, not manufacturing evidence and making something out of nothing as Bush did with Iraq."

build-up   

increase    develop    accretion    accumulation    packaging    promotion    promotional material    publicity   

forearm    re-arm    rearm   

accumulation    erosion    escalation    deterioration    fluctuation    deposition    absorption    condensation    decrease    influx