| previous(advanced, forward, up, proximately, ahead) |
| time(advanced, forward, up, ahead, onward) |
| to the fore(expression, idiom, advanced, forward, up) |
| ventral(lead, beginning, visible, opposite, obverse) |
| along(advanced, forward, up, ahead, onward) |
| ante(advanced, forward, up, ahead, onward) |
| anterior(lead, beginning, visible, opposite, obverse) |
| beginning(lead, visible, opposite, obverse) |
| foremost(lead, beginning, advanced, visible, forward) |
| forward-facing(visible, opposite, obverse) |
| frontal(lead, beginning, visible, opposite, obverse) |
| frontward(up, ahead, onward) |
| head(lead, beginning, visible, opposite, obverse) |
| inchoate |
| lead(beginning, visible, opposite, obverse, frontal) |
| leading(lead, beginning, advanced, visible, forward) |
| obverse(lead, beginning, visible, opposite, frontal) |
| on(advanced, forward, up, ahead, onward) |
| opposite(visible, obverse) |
| out(time, advanced, forward, up, ahead) |