The phrase "altogether confirm" is correct and usable in written English.
It can be used when you want to express that something is completely or fully confirmed.
Example: "The evidence presented in the meeting will altogether confirm our findings from the previous research."
Alternatives: "fully confirm" or "completely verify".
For months, Obama had struggled to promote the sense — which was not altogether confirmed by the official statistics — that the economy was in real trouble.
The characterization results altogether confirmed the structural integrity of the mesoporous host and the successful anchoring of the copper-phenanthroline complex as discrete mononuclear Cu II L species.
For months, Obama had struggled to promote the sense which was not altogether confirmed by the official statistics that the economy was in real trouble.
Robson, who automatically received an incremental deal with Plunkett after both had played in the first four Tests of this summer, has missed out altogether, confirming that his position as Cook's opening partner is under threat.
Although this claim has not been verified, it was at any rate deeply flawed and unethical, as the international scientific community has altogether confirmed.
Altogether we confirmed the presence of all the components involved in FTT reactions (i.e. H2, CO2, CO, CH4, H2O and necessary catalysts), as well as the accumulation of CH4 over time at statistically significant rates even at very low temperatures.
Altogether, this confirms that during Hp infection the epithelial layer was eroded and damaged while curcumin was highly effective in suppressing MMP-9 and healing of overall damage caused by infection.
Altogether, we confirmed HPeV3 infection in 14 of the 22 patients in this outbreak.
Altogether we confirmed the previously described role of SDF-1α on breast cancer migration and invasion.
