IPA: /dɪˈtɜːrmɪnətli/
KK: /dɪˈtɜːrmɪnətli/
In a clear and definite manner, showing determination or certainty.
She spoke determinately about her plans for the future.
Determinately → It is formed from "determinare" (from Latin, meaning to set limits or define) and the suffix "-ly" (meaning in a manner). The word "determinately" means in a manner that is defined or set with clear limits.
Think of the word 'determine' which means to set limits or define something, and remember that 'determinately' describes doing something in a defined manner.