ഉറപ്പിക്കുക - meaning in english

verb: Warrant; Tighten; Corroborate; Attest; Fasten; Validate
unknown: firm; pitch; seat; vouch; sustain; fit; set; assert; stick; rivet; embed; key; harden; clench; hitch; affirm; consolidate; entrench; establish; fix; implant; loop; plate-layer; solidify; stabilize; strengthen; verify