With unconditional and enthusiastic devotion:
— Demonstrated his whole-souled allegiance.

synonyms: heart-whole, wholehearted.

Roget 944: virtuous, good; innocent etc. 946; meritorious, deserving, worthy, desertful^†, correct; dutiful, duteous; moral; right, righteous, right-minded; well-intentioned, creditable, laudable, commendable, praiseworthy; above all praise, beyond all praise; excellent, admirable; sterling, pure, noble; whole-souled^†.    exemplary; matchless, peerless; saintly, saint-like; heaven-born, angelic, seraphic, godlike.    ... show more