Synonym word of undertake solemnly:

affirm, assure, consecrate, covenant, cross one's heart, declare, dedicate, devote, give word of honor, pledge, plight, promise, swear, swear up and down, testify, undertake solemnly, vouch, warrant


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Synonyms:  A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Popular