The phrase "assent of a" is correct and usable in written English.
It can be used in contexts where you are discussing agreement or approval regarding a specific matter or subject.
Example: "The committee reached the assent of a majority before proceeding with the proposal."
Alternatives: "agreement of a" or "approval of a".
This ideal was called socialism, and until the mid-1970's it commanded the assent of a very considerable number of intelligent people.
Time was when the assent of a single African-American was hailed as evidence of benign intent in even the most reactionary of schemes.
Assets cannot be sold by a bankrupt company without the assent of a trustee, thus suggesting that the transfer of Ms. Roberts's mortgage might have been improper.
While Dell's founder controls about 16 percent of the PC maker's stock, his offer requires the assent of a majority of shareholders excluding his stake.
The argument made by the President's first week is that these conditions, combined with the general assent of a Republican-controlled Congress, might in fact create the opposite situation, freeing him to do whatever he wants.
While there was a division of opinion in the court, yet the doctrine thus stated received the assent of a majority of its members, and has been reaffirmed since, although accompanied by a constant dissent.
Nor do Facebook's boss and his executives depend directly on the assent of an "electorate" that can unseat them.
Habermas summarizes this requirement in his democratic principle of legitimacy: "only those statutes may claim legitimacy that can meet with the assent of all citizens in a discursive process of legislation that in turn has been legally constituted" (1996b, 110).
It creates a complete separation from President-elect Trump -- it separates him and prevents him from participating in the business and poses strict limits on what the trustees can do and requires the assent of any ethics adviser to a new deal.
Moreover, to me it seems that where the right to do an interstate commerce business exists, without regard to the assent of the state, a state law which arbitrarily forbids a corporation from carrying on with its interstate commerce business a local business would be a direct burden upon interstate commerce, and in conflict with the principles stated in proposition 1.
The broad support on the Council for the resolution, including the ready assent of Russia and China, was a sign of the enduring global opposition to international terrorism after the attacks in the United States on Sept. 11, 2001.
