The phrase "assurance gained" is correct and usable in written English.
It can be used when discussing the confidence or certainty that has been achieved in a particular situation or after a specific event.
Example: "After reviewing the project outcomes, we felt a strong assurance gained from the positive feedback received."
Alternatives: "confidence acquired" or "certainty achieved".
Group discussions built on the self-assurance gained from doing craft work together and talking in a relaxed way with a common purpose.
Group discussions built on the self-assurance gained from doing craft work together and talking in a relaxed way with a common purpose, exploring the health themes which were the focus of the art.
Without such assurances, gaining regulatory approval for the use of such vectors for nonlethal indications such as arthritis and tissue repair may be difficult.
The assurance he gained in slapstick turned him into the smoothie he had aspired to be.
Stage 3 Continued Process Verification : Ongoing assurance is gained during routine production that the process remains in a state of control.
The prime minister had hoped assurances she gained from EU leaders on Monday would win round MPs who were concerned about the UK becoming stuck in the backstop.
Writing of the final poems of Cavafy, Said commended "the artist's mature subjectivity, stripped of hubris and pomposity, unashamed either of its fallibility or of the modest assurance it has gained as a result of age and exile".
The United States has gained assurance from defeating top-ranked Spain at the Confederations Cup in South Africa last June and taking a two-goal lead over Brazil before losing, 3-2, in the championship game.
But by announcing that he intends to replace the local currency with the American dollar, he has seemingly gained assurance that he will survive to face at least the next crisis.
Afwerki had done what he has done so often in the past: allowed his officials to give assurances to gain international leverage, only to pull the rug from under them at the last moment.
But if Egypt had lost the match, it had gained self-assurance.
