big, enormous, great, huge, major, significant, tremendous
much-needed, welcome
The new factory will provide a much-needed boost to the local economy.

extra, unexpected
confidence, ego, financial, morale, psychological
energy, performance

give sb, provide (sb with)
get, receive

boost for
The Olympics provided a boost for Chinese products.

boost in
a big boost in sales

boost to
a boost to the economy

considerably, dramatically, greatly, significantly, substantially
artificially

help (to)
The new service helped boost profits by 10%.

to
The total was boosted to nearly $200 by donations from parents.

Boost is used with these nouns as the object:
appeal, attendance, budget, career, chance, circulation, confidence, consumption, demand, dividend, earnings, economy, effectiveness, efficiency, ego, employment, energy, enrolment, esteem, export, finance, fortune, fund, funding, growth, hope, image, immunity, import, income, intake, investment, level, mood, morale, pay, pension, per cent, performance, popularity, prestige, price, production, productivity, profile, profit, profitability, prospect, rating, return, revenue, salary, sale, saving, score, self-confidence, signal, spending, squad, strength, takings, tourism, trade, traffic, turnout, turnover, value