1590s, "act of acknowledging," from acknowledge + -ment. "An early instance of -ment added to an orig. Eng. vb." [OED]. Meaning "token of due recognition" is recorded from 1610s.
she seems to avoid much in the way of recognition or acknowledgement of feminist work prior to her own
acidulous
-acious
ack
ack-ack
acknowledge
acknowledgement
acknowledgment
ACLU
acme
acne
acold